Home / 629,547.39-868,562.19-384,442.71

Finding the Fourth Proportional to 629,547.39, 868,562.19 and 384,442.71

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Solution

The fourth proportional to 629,547.39, 868,562.19 and 384,442.71 is: 530,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,547.39 : 868,562.19 = 384,442.71 : x
  2. Step 2: Convert to fraction form
    629,547.39/868,562.19 = 384,442.71/x
  3. Step 3: Cross multiply
    629,547.39x = 868,562.19 × 384,442.71
  4. Step 4: Simplify right side
    629,547.39x = 333,912,398,870.03
  5. Step 5: Solve for x
    x = 333,912,398,870.03/629,547.39
  6. Step 6: Final answer
    x = 530,400.74

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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.