Home / 836,842.05-1,155,138.17-497,306.25

Finding the Fourth Proportional to 836,842.05, 1,155,138.17 and 497,306.25

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Solution

The fourth proportional to 836,842.05, 1,155,138.17 and 497,306.25 is: 686,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,842.05 : 1,155,138.17 = 497,306.25 : x
  2. Step 2: Convert to fraction form
    836,842.05/1,155,138.17 = 497,306.25/x
  3. Step 3: Cross multiply
    836,842.05x = 1,155,138.17 × 497,306.25
  4. Step 4: Simplify right side
    836,842.05x = 574,457,429,068.03
  5. Step 5: Solve for x
    x = 574,457,429,068.03/836,842.05
  6. Step 6: Final answer
    x = 686,458.61

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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.