Home / 761,440.68-1,050,834.60-439,144.92

Finding the Fourth Proportional to 761,440.68, 1,050,834.60 and 439,144.92

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Solution

The fourth proportional to 761,440.68, 1,050,834.60 and 439,144.92 is: 606,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,440.68 : 1,050,834.60 = 439,144.92 : x
  2. Step 2: Convert to fraction form
    761,440.68/1,050,834.60 = 439,144.92/x
  3. Step 3: Cross multiply
    761,440.68x = 1,050,834.60 × 439,144.92
  4. Step 4: Simplify right side
    761,440.68x = 461,468,676,350.23
  5. Step 5: Solve for x
    x = 461,468,676,350.23/761,440.68
  6. Step 6: Final answer
    x = 606,046.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.