Home / 915,024.30-1,278,545.70-915,024.30

Finding the Fourth Proportional to 915,024.30, 1,278,545.70 and 915,024.30

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Solution

The fourth proportional to 915,024.30, 1,278,545.70 and 915,024.30 is: 1,278,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,024.30 : 1,278,545.70 = 915,024.30 : x
  2. Step 2: Convert to fraction form
    915,024.30/1,278,545.70 = 915,024.30/x
  3. Step 3: Cross multiply
    915,024.30x = 1,278,545.70 × 915,024.30
  4. Step 4: Simplify right side
    915,024.30x = 1,169,900,384,160.51
  5. Step 5: Solve for x
    x = 1,169,900,384,160.51/915,024.30
  6. Step 6: Final answer
    x = 1,278,545.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.