Home / 1,251,870.56-1,727,561-707,986.02

Finding the Fourth Proportional to 1,251,870.56, 1,727,561 and 707,986.02

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Solution

The fourth proportional to 1,251,870.56, 1,727,561 and 707,986.02 is: 977,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,870.56 : 1,727,561 = 707,986.02 : x
  2. Step 2: Convert to fraction form
    1,251,870.56/1,727,561 = 707,986.02/x
  3. Step 3: Cross multiply
    1,251,870.56x = 1,727,561 × 707,986.02
  4. Step 4: Simplify right side
    1,251,870.56x = 1,223,089,036,697.22
  5. Step 5: Solve for x
    x = 1,223,089,036,697.22/1,251,870.56
  6. Step 6: Final answer
    x = 977,009.19

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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.