Home / 783,048.80-1,174,573.20-615,087.20

Finding the Fourth Proportional to 783,048.80, 1,174,573.20 and 615,087.20

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Solution

The fourth proportional to 783,048.80, 1,174,573.20 and 615,087.20 is: 922,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,048.80 : 1,174,573.20 = 615,087.20 : x
  2. Step 2: Convert to fraction form
    783,048.80/1,174,573.20 = 615,087.20/x
  3. Step 3: Cross multiply
    783,048.80x = 1,174,573.20 × 615,087.20
  4. Step 4: Simplify right side
    783,048.80x = 722,464,940,783.04
  5. Step 5: Solve for x
    x = 722,464,940,783.04/783,048.80
  6. Step 6: Final answer
    x = 922,630.80

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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.