Home / 1,005,862.95-1,387,985.90-576,161.19

Finding the Fourth Proportional to 1,005,862.95, 1,387,985.90 and 576,161.19

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Solution

The fourth proportional to 1,005,862.95, 1,387,985.90 and 576,161.19 is: 795,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,862.95 : 1,387,985.90 = 576,161.19 : x
  2. Step 2: Convert to fraction form
    1,005,862.95/1,387,985.90 = 576,161.19/x
  3. Step 3: Cross multiply
    1,005,862.95x = 1,387,985.90 × 576,161.19
  4. Step 4: Simplify right side
    1,005,862.95x = 799,703,604,966.42
  5. Step 5: Solve for x
    x = 799,703,604,966.42/1,005,862.95
  6. Step 6: Final answer
    x = 795,042.31

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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.