Home / 1,272,473.66-1,908,208.29-514,172.18

Finding the Fourth Proportional to 1,272,473.66, 1,908,208.29 and 514,172.18

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Solution

The fourth proportional to 1,272,473.66, 1,908,208.29 and 514,172.18 is: 771,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,473.66 : 1,908,208.29 = 514,172.18 : x
  2. Step 2: Convert to fraction form
    1,272,473.66/1,908,208.29 = 514,172.18/x
  3. Step 3: Cross multiply
    1,272,473.66x = 1,908,208.29 × 514,172.18
  4. Step 4: Simplify right side
    1,272,473.66x = 981,147,616,363.37
  5. Step 5: Solve for x
    x = 981,147,616,363.37/1,272,473.66
  6. Step 6: Final answer
    x = 771,055.34

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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.