Home / 417,948.67-626,923.01-102,402.84

Finding the Fourth Proportional to 417,948.67, 626,923.01 and 102,402.84

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Solution

The fourth proportional to 417,948.67, 626,923.01 and 102,402.84 is: 153,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,948.67 : 626,923.01 = 102,402.84 : x
  2. Step 2: Convert to fraction form
    417,948.67/626,923.01 = 102,402.84/x
  3. Step 3: Cross multiply
    417,948.67x = 626,923.01 × 102,402.84
  4. Step 4: Simplify right side
    417,948.67x = 64,198,699,292.32
  5. Step 5: Solve for x
    x = 64,198,699,292.32/417,948.67
  6. Step 6: Final answer
    x = 153,604.27

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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.