Home / 674,781.44-1,013,416.32-535,435.52

Finding the Fourth Proportional to 674,781.44, 1,013,416.32 and 535,435.52

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Solution

The fourth proportional to 674,781.44, 1,013,416.32 and 535,435.52 is: 804,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,781.44 : 1,013,416.32 = 535,435.52 : x
  2. Step 2: Convert to fraction form
    674,781.44/1,013,416.32 = 535,435.52/x
  3. Step 3: Cross multiply
    674,781.44x = 1,013,416.32 × 535,435.52
  4. Step 4: Simplify right side
    674,781.44x = 542,619,094,275.69
  5. Step 5: Solve for x
    x = 542,619,094,275.69/674,781.44
  6. Step 6: Final answer
    x = 804,140.51

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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.