Home / 1,238,262.50-1,857,394.16-817,439.96

Finding the Fourth Proportional to 1,238,262.50, 1,857,394.16 and 817,439.96

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Solution

The fourth proportional to 1,238,262.50, 1,857,394.16 and 817,439.96 is: 1,226,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,262.50 : 1,857,394.16 = 817,439.96 : x
  2. Step 2: Convert to fraction form
    1,238,262.50/1,857,394.16 = 817,439.96/x
  3. Step 3: Cross multiply
    1,238,262.50x = 1,857,394.16 × 817,439.96
  4. Step 4: Simplify right side
    1,238,262.50x = 1,518,308,194,480.46
  5. Step 5: Solve for x
    x = 1,518,308,194,480.46/1,238,262.50
  6. Step 6: Final answer
    x = 1,226,160.20

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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.