Home / 435,348.80-652,148.40-293,631.20

Finding the Fourth Proportional to 435,348.80, 652,148.40 and 293,631.20

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Solution

The fourth proportional to 435,348.80, 652,148.40 and 293,631.20 is: 439,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,348.80 : 652,148.40 = 293,631.20 : x
  2. Step 2: Convert to fraction form
    435,348.80/652,148.40 = 293,631.20/x
  3. Step 3: Cross multiply
    435,348.80x = 652,148.40 × 293,631.20
  4. Step 4: Simplify right side
    435,348.80x = 191,491,117,270.08
  5. Step 5: Solve for x
    x = 191,491,117,270.08/435,348.80
  6. Step 6: Final answer
    x = 439,856.77

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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.