Home / 897,431.40-1,344,332.70-559,434.60

Finding the Fourth Proportional to 897,431.40, 1,344,332.70 and 559,434.60

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Solution

The fourth proportional to 897,431.40, 1,344,332.70 and 559,434.60 is: 838,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,431.40 : 1,344,332.70 = 559,434.60 : x
  2. Step 2: Convert to fraction form
    897,431.40/1,344,332.70 = 559,434.60/x
  3. Step 3: Cross multiply
    897,431.40x = 1,344,332.70 × 559,434.60
  4. Step 4: Simplify right side
    897,431.40x = 752,066,226,291.42
  5. Step 5: Solve for x
    x = 752,066,226,291.42/897,431.40
  6. Step 6: Final answer
    x = 838,020.85

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Double scale
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Similar ratio
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1.5x scale

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.