Home / 626,942.96-865,446.12-423,269.74

Finding the Fourth Proportional to 626,942.96, 865,446.12 and 423,269.74

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Solution

The fourth proportional to 626,942.96, 865,446.12 and 423,269.74 is: 584,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,942.96 : 865,446.12 = 423,269.74 : x
  2. Step 2: Convert to fraction form
    626,942.96/865,446.12 = 423,269.74/x
  3. Step 3: Cross multiply
    626,942.96x = 865,446.12 × 423,269.74
  4. Step 4: Simplify right side
    626,942.96x = 366,317,154,196.41
  5. Step 5: Solve for x
    x = 366,317,154,196.41/626,942.96
  6. Step 6: Final answer
    x = 584,291.04

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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.