Home / 619,295.04-854,637.12-347,423.40

Finding the Fourth Proportional to 619,295.04, 854,637.12 and 347,423.40

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Solution

The fourth proportional to 619,295.04, 854,637.12 and 347,423.40 is: 479,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,295.04 : 854,637.12 = 347,423.40 : x
  2. Step 2: Convert to fraction form
    619,295.04/854,637.12 = 347,423.40/x
  3. Step 3: Cross multiply
    619,295.04x = 854,637.12 × 347,423.40
  4. Step 4: Simplify right side
    619,295.04x = 296,920,933,996.61
  5. Step 5: Solve for x
    x = 296,920,933,996.61/619,295.04
  6. Step 6: Final answer
    x = 479,449.88

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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.