Home / 623,853.30-935,165.55-308,358.90

Finding the Fourth Proportional to 623,853.30, 935,165.55 and 308,358.90

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Solution

The fourth proportional to 623,853.30, 935,165.55 and 308,358.90 is: 462,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,853.30 : 935,165.55 = 308,358.90 : x
  2. Step 2: Convert to fraction form
    623,853.30/935,165.55 = 308,358.90/x
  3. Step 3: Cross multiply
    623,853.30x = 935,165.55 × 308,358.90
  4. Step 4: Simplify right side
    623,853.30x = 288,366,620,315.90
  5. Step 5: Solve for x
    x = 288,366,620,315.90/623,853.30
  6. Step 6: Final answer
    x = 462,234.66

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1.5x scale

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.