Home / 836,844.55-1,155,141.62-497,308.75

Finding the Fourth Proportional to 836,844.55, 1,155,141.62 and 497,308.75

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Solution

The fourth proportional to 836,844.55, 1,155,141.62 and 497,308.75 is: 686,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,844.55 : 1,155,141.62 = 497,308.75 : x
  2. Step 2: Convert to fraction form
    836,844.55/1,155,141.62 = 497,308.75/x
  3. Step 3: Cross multiply
    836,844.55x = 1,155,141.62 × 497,308.75
  4. Step 4: Simplify right side
    836,844.55x = 574,462,035,115.18
  5. Step 5: Solve for x
    x = 574,462,035,115.18/836,844.55
  6. Step 6: Final answer
    x = 686,462.06

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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.