Home / 817,411.32-1,128,183.73-541,282.43

Finding the Fourth Proportional to 817,411.32, 1,128,183.73 and 541,282.43

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Solution

The fourth proportional to 817,411.32, 1,128,183.73 and 541,282.43 is: 747,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,411.32 : 1,128,183.73 = 541,282.43 : x
  2. Step 2: Convert to fraction form
    817,411.32/1,128,183.73 = 541,282.43/x
  3. Step 3: Cross multiply
    817,411.32x = 1,128,183.73 × 541,282.43
  4. Step 4: Simplify right side
    817,411.32x = 610,666,032,328.12
  5. Step 5: Solve for x
    x = 610,666,032,328.12/817,411.32
  6. Step 6: Final answer
    x = 747,073.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.