Home / 411,030.40-616,545.60-234,083.20

Finding the Fourth Proportional to 411,030.40, 616,545.60 and 234,083.20

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Solution

The fourth proportional to 411,030.40, 616,545.60 and 234,083.20 is: 351,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,030.40 : 616,545.60 = 234,083.20 : x
  2. Step 2: Convert to fraction form
    411,030.40/616,545.60 = 234,083.20/x
  3. Step 3: Cross multiply
    411,030.40x = 616,545.60 × 234,083.20
  4. Step 4: Simplify right side
    411,030.40x = 144,322,966,993.92
  5. Step 5: Solve for x
    x = 144,322,966,993.92/411,030.40
  6. Step 6: Final answer
    x = 351,124.80

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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.