Home / 626,999.10-939,915.45-437,459.10

Finding the Fourth Proportional to 626,999.10, 939,915.45 and 437,459.10

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Solution

The fourth proportional to 626,999.10, 939,915.45 and 437,459.10 is: 655,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,999.10 : 939,915.45 = 437,459.10 : x
  2. Step 2: Convert to fraction form
    626,999.10/939,915.45 = 437,459.10/x
  3. Step 3: Cross multiply
    626,999.10x = 939,915.45 × 437,459.10
  4. Step 4: Simplify right side
    626,999.10x = 411,174,566,833.10
  5. Step 5: Solve for x
    x = 411,174,566,833.10/626,999.10
  6. Step 6: Final answer
    x = 655,781.75

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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.