Home / 931,500.60-1,397,250.90-577,206.60

Finding the Fourth Proportional to 931,500.60, 1,397,250.90 and 577,206.60

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Solution

The fourth proportional to 931,500.60, 1,397,250.90 and 577,206.60 is: 865,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,500.60 : 1,397,250.90 = 577,206.60 : x
  2. Step 2: Convert to fraction form
    931,500.60/1,397,250.90 = 577,206.60/x
  3. Step 3: Cross multiply
    931,500.60x = 1,397,250.90 × 577,206.60
  4. Step 4: Simplify right side
    931,500.60x = 806,502,441,335.94
  5. Step 5: Solve for x
    x = 806,502,441,335.94/931,500.60
  6. Step 6: Final answer
    x = 865,809.90

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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.