Home / 670,948.80-1,006,423.20-544,977.60

Finding the Fourth Proportional to 670,948.80, 1,006,423.20 and 544,977.60

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Solution

The fourth proportional to 670,948.80, 1,006,423.20 and 544,977.60 is: 817,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,948.80 : 1,006,423.20 = 544,977.60 : x
  2. Step 2: Convert to fraction form
    670,948.80/1,006,423.20 = 544,977.60/x
  3. Step 3: Cross multiply
    670,948.80x = 1,006,423.20 × 544,977.60
  4. Step 4: Simplify right side
    670,948.80x = 548,478,100,120.32
  5. Step 5: Solve for x
    x = 548,478,100,120.32/670,948.80
  6. Step 6: Final answer
    x = 817,466.40

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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.