Home / 1,296,044.40-1,944,066.60-349,510.80

Finding the Fourth Proportional to 1,296,044.40, 1,944,066.60 and 349,510.80

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Solution

The fourth proportional to 1,296,044.40, 1,944,066.60 and 349,510.80 is: 524,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,044.40 : 1,944,066.60 = 349,510.80 : x
  2. Step 2: Convert to fraction form
    1,296,044.40/1,944,066.60 = 349,510.80/x
  3. Step 3: Cross multiply
    1,296,044.40x = 1,944,066.60 × 349,510.80
  4. Step 4: Simplify right side
    1,296,044.40x = 679,472,272,619.28
  5. Step 5: Solve for x
    x = 679,472,272,619.28/1,296,044.40
  6. Step 6: Final answer
    x = 524,266.20

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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.