Home / 836,843.55-1,155,140.24-497,307.75

Finding the Fourth Proportional to 836,843.55, 1,155,140.24 and 497,307.75

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Solution

The fourth proportional to 836,843.55, 1,155,140.24 and 497,307.75 is: 686,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,843.55 : 1,155,140.24 = 497,307.75 : x
  2. Step 2: Convert to fraction form
    836,843.55/1,155,140.24 = 497,307.75/x
  3. Step 3: Cross multiply
    836,843.55x = 1,155,140.24 × 497,307.75
  4. Step 4: Simplify right side
    836,843.55x = 574,460,191,202.32
  5. Step 5: Solve for x
    x = 574,460,191,202.32/836,843.55
  6. Step 6: Final answer
    x = 686,460.68

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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.