Home / 698,634.30-1,047,951.45-610,060.80

Finding the Fourth Proportional to 698,634.30, 1,047,951.45 and 610,060.80

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Solution

The fourth proportional to 698,634.30, 1,047,951.45 and 610,060.80 is: 915,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,634.30 : 1,047,951.45 = 610,060.80 : x
  2. Step 2: Convert to fraction form
    698,634.30/1,047,951.45 = 610,060.80/x
  3. Step 3: Cross multiply
    698,634.30x = 1,047,951.45 × 610,060.80
  4. Step 4: Simplify right side
    698,634.30x = 639,314,099,948.16
  5. Step 5: Solve for x
    x = 639,314,099,948.16/698,634.30
  6. Step 6: Final answer
    x = 915,091.20

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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.