Home / 411,253.29-616,677.57-144,975.09

Finding the Fourth Proportional to 411,253.29, 616,677.57 and 144,975.09

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Solution

The fourth proportional to 411,253.29, 616,677.57 and 144,975.09 is: 217,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,253.29 : 616,677.57 = 144,975.09 : x
  2. Step 2: Convert to fraction form
    411,253.29/616,677.57 = 144,975.09/x
  3. Step 3: Cross multiply
    411,253.29x = 616,677.57 × 144,975.09
  4. Step 4: Simplify right side
    411,253.29x = 89,402,886,211.73
  5. Step 5: Solve for x
    x = 89,402,886,211.73/411,253.29
  6. Step 6: Final answer
    x = 217,391.30

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1.5x scale

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.