Home / 1,272,205.13-1,909,253.70-514,053.18

Finding the Fourth Proportional to 1,272,205.13, 1,909,253.70 and 514,053.18

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Solution

The fourth proportional to 1,272,205.13, 1,909,253.70 and 514,053.18 is: 771,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,205.13 : 1,909,253.70 = 514,053.18 : x
  2. Step 2: Convert to fraction form
    1,272,205.13/1,909,253.70 = 514,053.18/x
  3. Step 3: Cross multiply
    1,272,205.13x = 1,909,253.70 × 514,053.18
  4. Step 4: Simplify right side
    1,272,205.13x = 981,457,935,911.77
  5. Step 5: Solve for x
    x = 981,457,935,911.77/1,272,205.13
  6. Step 6: Final answer
    x = 771,462.02

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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.