Home / 1,272,734.56-1,756,641-807,287.32

Finding the Fourth Proportional to 1,272,734.56, 1,756,641 and 807,287.32

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Solution

The fourth proportional to 1,272,734.56, 1,756,641 and 807,287.32 is: 1,114,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,734.56 : 1,756,641 = 807,287.32 : x
  2. Step 2: Convert to fraction form
    1,272,734.56/1,756,641 = 807,287.32/x
  3. Step 3: Cross multiply
    1,272,734.56x = 1,756,641 × 807,287.32
  4. Step 4: Simplify right side
    1,272,734.56x = 1,418,114,005,092.12
  5. Step 5: Solve for x
    x = 1,418,114,005,092.12/1,272,734.56
  6. Step 6: Final answer
    x = 1,114,226.05

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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.