Home / 676,814.27-934,428.38-435,516.18

Finding the Fourth Proportional to 676,814.27, 934,428.38 and 435,516.18

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Solution

The fourth proportional to 676,814.27, 934,428.38 and 435,516.18 is: 601,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,814.27 : 934,428.38 = 435,516.18 : x
  2. Step 2: Convert to fraction form
    676,814.27/934,428.38 = 435,516.18/x
  3. Step 3: Cross multiply
    676,814.27x = 934,428.38 × 435,516.18
  4. Step 4: Simplify right side
    676,814.27x = 406,958,676,363.61
  5. Step 5: Solve for x
    x = 406,958,676,363.61/676,814.27
  6. Step 6: Final answer
    x = 601,285.61

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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.