Home / 1,016,364.78-1,524,712.95-417,165.12

Finding the Fourth Proportional to 1,016,364.78, 1,524,712.95 and 417,165.12

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Solution

The fourth proportional to 1,016,364.78, 1,524,712.95 and 417,165.12 is: 625,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,364.78 : 1,524,712.95 = 417,165.12 : x
  2. Step 2: Convert to fraction form
    1,016,364.78/1,524,712.95 = 417,165.12/x
  3. Step 3: Cross multiply
    1,016,364.78x = 1,524,712.95 × 417,165.12
  4. Step 4: Simplify right side
    1,016,364.78x = 636,057,060,752.30
  5. Step 5: Solve for x
    x = 636,057,060,752.30/1,016,364.78
  6. Step 6: Final answer
    x = 625,815.72

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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.