Home / 1,296,221.40-1,944,332.10-397,801.80

Finding the Fourth Proportional to 1,296,221.40, 1,944,332.10 and 397,801.80

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Solution

The fourth proportional to 1,296,221.40, 1,944,332.10 and 397,801.80 is: 596,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,221.40 : 1,944,332.10 = 397,801.80 : x
  2. Step 2: Convert to fraction form
    1,296,221.40/1,944,332.10 = 397,801.80/x
  3. Step 3: Cross multiply
    1,296,221.40x = 1,944,332.10 × 397,801.80
  4. Step 4: Simplify right side
    1,296,221.40x = 773,458,809,177.78
  5. Step 5: Solve for x
    x = 773,458,809,177.78/1,296,221.40
  6. Step 6: Final answer
    x = 596,702.70

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Double scale
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Similar ratio
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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.