Home / 1,289,260.17-1,933,901.78-530,921.61

Finding the Fourth Proportional to 1,289,260.17, 1,933,901.78 and 530,921.61

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Solution

The fourth proportional to 1,289,260.17, 1,933,901.78 and 530,921.61 is: 796,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,260.17 : 1,933,901.78 = 530,921.61 : x
  2. Step 2: Convert to fraction form
    1,289,260.17/1,933,901.78 = 530,921.61/x
  3. Step 3: Cross multiply
    1,289,260.17x = 1,933,901.78 × 530,921.61
  4. Step 4: Simplify right side
    1,289,260.17x = 1,026,750,243,964.86
  5. Step 5: Solve for x
    x = 1,026,750,243,964.86/1,289,260.17
  6. Step 6: Final answer
    x = 796,387.16

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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.