Home / 1,291,753.81-1,935,859.24-817,592.77

Finding the Fourth Proportional to 1,291,753.81, 1,935,859.24 and 817,592.77

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Solution

The fourth proportional to 1,291,753.81, 1,935,859.24 and 817,592.77 is: 1,225,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,753.81 : 1,935,859.24 = 817,592.77 : x
  2. Step 2: Convert to fraction form
    1,291,753.81/1,935,859.24 = 817,592.77/x
  3. Step 3: Cross multiply
    1,291,753.81x = 1,935,859.24 × 817,592.77
  4. Step 4: Simplify right side
    1,291,753.81x = 1,582,744,504,594.43
  5. Step 5: Solve for x
    x = 1,582,744,504,594.43/1,291,753.81
  6. Step 6: Final answer
    x = 1,225,267.93

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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.