Home / 1,057,686.17-1,587,159.55-383,820.04

Finding the Fourth Proportional to 1,057,686.17, 1,587,159.55 and 383,820.04

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Solution

The fourth proportional to 1,057,686.17, 1,587,159.55 and 383,820.04 is: 575,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,686.17 : 1,587,159.55 = 383,820.04 : x
  2. Step 2: Convert to fraction form
    1,057,686.17/1,587,159.55 = 383,820.04/x
  3. Step 3: Cross multiply
    1,057,686.17x = 1,587,159.55 × 383,820.04
  4. Step 4: Simplify right side
    1,057,686.17x = 609,183,638,311.46
  5. Step 5: Solve for x
    x = 609,183,638,311.46/1,057,686.17
  6. Step 6: Final answer
    x = 575,958.78

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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.