Home / 1,543,444.43-2,315,254.12-478,637.87

Finding the Fourth Proportional to 1,543,444.43, 2,315,254.12 and 478,637.87

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Solution

The fourth proportional to 1,543,444.43, 2,315,254.12 and 478,637.87 is: 717,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,444.43 : 2,315,254.12 = 478,637.87 : x
  2. Step 2: Convert to fraction form
    1,543,444.43/2,315,254.12 = 478,637.87/x
  3. Step 3: Cross multiply
    1,543,444.43x = 2,315,254.12 × 478,637.87
  4. Step 4: Simplify right side
    1,543,444.43x = 1,108,168,287,732.66
  5. Step 5: Solve for x
    x = 1,108,168,287,732.66/1,543,444.43
  6. Step 6: Final answer
    x = 717,983.93

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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.