Home / 1,005,858.95-1,387,980.38-576,157.19

Finding the Fourth Proportional to 1,005,858.95, 1,387,980.38 and 576,157.19

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Solution

The fourth proportional to 1,005,858.95, 1,387,980.38 and 576,157.19 is: 795,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,858.95 : 1,387,980.38 = 576,157.19 : x
  2. Step 2: Convert to fraction form
    1,005,858.95/1,387,980.38 = 576,157.19/x
  3. Step 3: Cross multiply
    1,005,858.95x = 1,387,980.38 × 576,157.19
  4. Step 4: Simplify right side
    1,005,858.95x = 799,694,872,635.15
  5. Step 5: Solve for x
    x = 799,694,872,635.15/1,005,858.95
  6. Step 6: Final answer
    x = 795,036.79

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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.