Home / 1,296,053.40-1,944,080.10-349,519.80

Finding the Fourth Proportional to 1,296,053.40, 1,944,080.10 and 349,519.80

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Solution

The fourth proportional to 1,296,053.40, 1,944,080.10 and 349,519.80 is: 524,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,053.40 : 1,944,080.10 = 349,519.80 : x
  2. Step 2: Convert to fraction form
    1,296,053.40/1,944,080.10 = 349,519.80/x
  3. Step 3: Cross multiply
    1,296,053.40x = 1,944,080.10 × 349,519.80
  4. Step 4: Simplify right side
    1,296,053.40x = 679,494,487,735.98
  5. Step 5: Solve for x
    x = 679,494,487,735.98/1,296,053.40
  6. Step 6: Final answer
    x = 524,279.70

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Double scale
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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.