Home / 856,624.40-1,182,140.52-474,675.92

Finding the Fourth Proportional to 856,624.40, 1,182,140.52 and 474,675.92

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Solution

The fourth proportional to 856,624.40, 1,182,140.52 and 474,675.92 is: 655,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,624.40 : 1,182,140.52 = 474,675.92 : x
  2. Step 2: Convert to fraction form
    856,624.40/1,182,140.52 = 474,675.92/x
  3. Step 3: Cross multiply
    856,624.40x = 1,182,140.52 × 474,675.92
  4. Step 4: Simplify right side
    856,624.40x = 561,133,638,900.28
  5. Step 5: Solve for x
    x = 561,133,638,900.28/856,624.40
  6. Step 6: Final answer
    x = 655,052.13

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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.