Home / 837,444.78-1,155,181.26-497,892.78

Finding the Fourth Proportional to 837,444.78, 1,155,181.26 and 497,892.78

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Solution

The fourth proportional to 837,444.78, 1,155,181.26 and 497,892.78 is: 686,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,444.78 : 1,155,181.26 = 497,892.78 : x
  2. Step 2: Convert to fraction form
    837,444.78/1,155,181.26 = 497,892.78/x
  3. Step 3: Cross multiply
    837,444.78x = 1,155,181.26 × 497,892.78
  4. Step 4: Simplify right side
    837,444.78x = 575,156,408,945.30
  5. Step 5: Solve for x
    x = 575,156,408,945.30/837,444.78
  6. Step 6: Final answer
    x = 686,799.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.