Home / 1,042,017.20-1,563,025.80-615,114.80

Finding the Fourth Proportional to 1,042,017.20, 1,563,025.80 and 615,114.80

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Solution

The fourth proportional to 1,042,017.20, 1,563,025.80 and 615,114.80 is: 922,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,017.20 : 1,563,025.80 = 615,114.80 : x
  2. Step 2: Convert to fraction form
    1,042,017.20/1,563,025.80 = 615,114.80/x
  3. Step 3: Cross multiply
    1,042,017.20x = 1,563,025.80 × 615,114.80
  4. Step 4: Simplify right side
    1,042,017.20x = 961,440,302,361.84
  5. Step 5: Solve for x
    x = 961,440,302,361.84/1,042,017.20
  6. Step 6: Final answer
    x = 922,672.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.