Home / 1,146,744-1,720,478.88-515,712.96

Finding the Fourth Proportional to 1,146,744, 1,720,478.88 and 515,712.96

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Solution

The fourth proportional to 1,146,744, 1,720,478.88 and 515,712.96 is: 773,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,744 : 1,720,478.88 = 515,712.96 : x
  2. Step 2: Convert to fraction form
    1,146,744/1,720,478.88 = 515,712.96/x
  3. Step 3: Cross multiply
    1,146,744x = 1,720,478.88 × 515,712.96
  4. Step 4: Simplify right side
    1,146,744x = 887,273,255,822.29
  5. Step 5: Solve for x
    x = 887,273,255,822.29/1,146,744
  6. Step 6: Final answer
    x = 773,732.63

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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.