Home / 972,177.70-1,458,266.55-411,212.20

Finding the Fourth Proportional to 972,177.70, 1,458,266.55 and 411,212.20

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Solution

The fourth proportional to 972,177.70, 1,458,266.55 and 411,212.20 is: 616,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,177.70 : 1,458,266.55 = 411,212.20 : x
  2. Step 2: Convert to fraction form
    972,177.70/1,458,266.55 = 411,212.20/x
  3. Step 3: Cross multiply
    972,177.70x = 1,458,266.55 × 411,212.20
  4. Step 4: Simplify right side
    972,177.70x = 599,656,996,211.91
  5. Step 5: Solve for x
    x = 599,656,996,211.91/972,177.70
  6. Step 6: Final answer
    x = 616,818.30

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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.