Home / 1,057,720.20-1,587,617.10-525,841.80

Finding the Fourth Proportional to 1,057,720.20, 1,587,617.10 and 525,841.80

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Solution

The fourth proportional to 1,057,720.20, 1,587,617.10 and 525,841.80 is: 789,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,720.20 : 1,587,617.10 = 525,841.80 : x
  2. Step 2: Convert to fraction form
    1,057,720.20/1,587,617.10 = 525,841.80/x
  3. Step 3: Cross multiply
    1,057,720.20x = 1,587,617.10 × 525,841.80
  4. Step 4: Simplify right side
    1,057,720.20x = 834,835,433,574.78
  5. Step 5: Solve for x
    x = 834,835,433,574.78/1,057,720.20
  6. Step 6: Final answer
    x = 789,278.14

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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.