Home / 910,711.20-1,366,455.60-437,152.80

Finding the Fourth Proportional to 910,711.20, 1,366,455.60 and 437,152.80

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Solution

The fourth proportional to 910,711.20, 1,366,455.60 and 437,152.80 is: 655,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,711.20 : 1,366,455.60 = 437,152.80 : x
  2. Step 2: Convert to fraction form
    910,711.20/1,366,455.60 = 437,152.80/x
  3. Step 3: Cross multiply
    910,711.20x = 1,366,455.60 × 437,152.80
  4. Step 4: Simplify right side
    910,711.20x = 597,349,891,615.68
  5. Step 5: Solve for x
    x = 597,349,891,615.68/910,711.20
  6. Step 6: Final answer
    x = 655,915.83

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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.