Home / 1,435,416.38-2,153,545.64-424,565

Finding the Fourth Proportional to 1,435,416.38, 2,153,545.64 and 424,565

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Solution

The fourth proportional to 1,435,416.38, 2,153,545.64 and 424,565 is: 636,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,416.38 : 2,153,545.64 = 424,565 : x
  2. Step 2: Convert to fraction form
    1,435,416.38/2,153,545.64 = 424,565/x
  3. Step 3: Cross multiply
    1,435,416.38x = 2,153,545.64 × 424,565
  4. Step 4: Simplify right side
    1,435,416.38x = 914,320,104,646.60
  5. Step 5: Solve for x
    x = 914,320,104,646.60/1,435,416.38
  6. Step 6: Final answer
    x = 636,972.04

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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.