Home / 856,717.12-1,182,251.94-474,740.56

Finding the Fourth Proportional to 856,717.12, 1,182,251.94 and 474,740.56

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Solution

The fourth proportional to 856,717.12, 1,182,251.94 and 474,740.56 is: 655,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,717.12 : 1,182,251.94 = 474,740.56 : x
  2. Step 2: Convert to fraction form
    856,717.12/1,182,251.94 = 474,740.56/x
  3. Step 3: Cross multiply
    856,717.12x = 1,182,251.94 × 474,740.56
  4. Step 4: Simplify right side
    856,717.12x = 561,262,948,056.69
  5. Step 5: Solve for x
    x = 561,262,948,056.69/856,717.12
  6. Step 6: Final answer
    x = 655,132.17

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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.