Home / 876,320.60-1,315,064.10-497,240.60

Finding the Fourth Proportional to 876,320.60, 1,315,064.10 and 497,240.60

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Solution

The fourth proportional to 876,320.60, 1,315,064.10 and 497,240.60 is: 746,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,320.60 : 1,315,064.10 = 497,240.60 : x
  2. Step 2: Convert to fraction form
    876,320.60/1,315,064.10 = 497,240.60/x
  3. Step 3: Cross multiply
    876,320.60x = 1,315,064.10 × 497,240.60
  4. Step 4: Simplify right side
    876,320.60x = 653,903,262,122.46
  5. Step 5: Solve for x
    x = 653,903,262,122.46/876,320.60
  6. Step 6: Final answer
    x = 746,191.82

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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.