Home / 623,423.32-860,306.97-351,488.83

Finding the Fourth Proportional to 623,423.32, 860,306.97 and 351,488.83

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Solution

The fourth proportional to 623,423.32, 860,306.97 and 351,488.83 is: 485,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,423.32 : 860,306.97 = 351,488.83 : x
  2. Step 2: Convert to fraction form
    623,423.32/860,306.97 = 351,488.83/x
  3. Step 3: Cross multiply
    623,423.32x = 860,306.97 × 351,488.83
  4. Step 4: Simplify right side
    623,423.32x = 302,388,290,326.15
  5. Step 5: Solve for x
    x = 302,388,290,326.15/623,423.32
  6. Step 6: Final answer
    x = 485,044.88

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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.