Home / 626,320.20-939,475.80-153,001.20

Finding the Fourth Proportional to 626,320.20, 939,475.80 and 153,001.20

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Solution

The fourth proportional to 626,320.20, 939,475.80 and 153,001.20 is: 229,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,320.20 : 939,475.80 = 153,001.20 : x
  2. Step 2: Convert to fraction form
    626,320.20/939,475.80 = 153,001.20/x
  3. Step 3: Cross multiply
    626,320.20x = 939,475.80 × 153,001.20
  4. Step 4: Simplify right side
    626,320.20x = 143,740,924,770.96
  5. Step 5: Solve for x
    x = 143,740,924,770.96/626,320.20
  6. Step 6: Final answer
    x = 229,500.70

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Similar ratio
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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.