Home / 817,411.76-1,128,184.28-541,282.76

Finding the Fourth Proportional to 817,411.76, 1,128,184.28 and 541,282.76

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Solution

The fourth proportional to 817,411.76, 1,128,184.28 and 541,282.76 is: 747,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,411.76 : 1,128,184.28 = 541,282.76 : x
  2. Step 2: Convert to fraction form
    817,411.76/1,128,184.28 = 541,282.76/x
  3. Step 3: Cross multiply
    817,411.76x = 1,128,184.28 × 541,282.76
  4. Step 4: Simplify right side
    817,411.76x = 610,666,700,867.01
  5. Step 5: Solve for x
    x = 610,666,700,867.01/817,411.76
  6. Step 6: Final answer
    x = 747,073.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.