Home / 972,340.20-1,458,510.30-411,301.80

Finding the Fourth Proportional to 972,340.20, 1,458,510.30 and 411,301.80

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Solution

The fourth proportional to 972,340.20, 1,458,510.30 and 411,301.80 is: 616,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,340.20 : 1,458,510.30 = 411,301.80 : x
  2. Step 2: Convert to fraction form
    972,340.20/1,458,510.30 = 411,301.80/x
  3. Step 3: Cross multiply
    972,340.20x = 1,458,510.30 × 411,301.80
  4. Step 4: Simplify right side
    972,340.20x = 599,887,911,708.54
  5. Step 5: Solve for x
    x = 599,887,911,708.54/972,340.20
  6. Step 6: Final answer
    x = 616,952.70

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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.