Home / 876,392.20-1,315,625.10-497,614.60

Finding the Fourth Proportional to 876,392.20, 1,315,625.10 and 497,614.60

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Solution

The fourth proportional to 876,392.20, 1,315,625.10 and 497,614.60 is: 747,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,392.20 : 1,315,625.10 = 497,614.60 : x
  2. Step 2: Convert to fraction form
    876,392.20/1,315,625.10 = 497,614.60/x
  3. Step 3: Cross multiply
    876,392.20x = 1,315,625.10 × 497,614.60
  4. Step 4: Simplify right side
    876,392.20x = 654,674,257,886.46
  5. Step 5: Solve for x
    x = 654,674,257,886.46/876,392.20
  6. Step 6: Final answer
    x = 747,010.59

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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.