Home / 1,146,044.40-1,718,461.80-387,625.20

Finding the Fourth Proportional to 1,146,044.40, 1,718,461.80 and 387,625.20

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Solution

The fourth proportional to 1,146,044.40, 1,718,461.80 and 387,625.20 is: 581,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,044.40 : 1,718,461.80 = 387,625.20 : x
  2. Step 2: Convert to fraction form
    1,146,044.40/1,718,461.80 = 387,625.20/x
  3. Step 3: Cross multiply
    1,146,044.40x = 1,718,461.80 × 387,625.20
  4. Step 4: Simplify right side
    1,146,044.40x = 666,119,098,917.36
  5. Step 5: Solve for x
    x = 666,119,098,917.36/1,146,044.40
  6. Step 6: Final answer
    x = 581,233.24

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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.