Home / 651,144.61-976,876.76-525,919.69

Finding the Fourth Proportional to 651,144.61, 976,876.76 and 525,919.69

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Solution

The fourth proportional to 651,144.61, 976,876.76 and 525,919.69 is: 789,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,144.61 : 976,876.76 = 525,919.69 : x
  2. Step 2: Convert to fraction form
    651,144.61/976,876.76 = 525,919.69/x
  3. Step 3: Cross multiply
    651,144.61x = 976,876.76 × 525,919.69
  4. Step 4: Simplify right side
    651,144.61x = 513,758,722,787.40
  5. Step 5: Solve for x
    x = 513,758,722,787.40/651,144.61
  6. Step 6: Final answer
    x = 789,008.64

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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.