Home / 626,107-939,307.93-498,505.90

Finding the Fourth Proportional to 626,107, 939,307.93 and 498,505.90

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Solution

The fourth proportional to 626,107, 939,307.93 and 498,505.90 is: 747,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,107 : 939,307.93 = 498,505.90 : x
  2. Step 2: Convert to fraction form
    626,107/939,307.93 = 498,505.90/x
  3. Step 3: Cross multiply
    626,107x = 939,307.93 × 498,505.90
  4. Step 4: Simplify right side
    626,107x = 468,250,545,021.79
  5. Step 5: Solve for x
    x = 468,250,545,021.79/626,107
  6. Step 6: Final answer
    x = 747,876.23

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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.