Home / 1,260,449.86-1,739,567.87-716,667.13

Finding the Fourth Proportional to 1,260,449.86, 1,739,567.87 and 716,667.13

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Solution

The fourth proportional to 1,260,449.86, 1,739,567.87 and 716,667.13 is: 989,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,449.86 : 1,739,567.87 = 716,667.13 : x
  2. Step 2: Convert to fraction form
    1,260,449.86/1,739,567.87 = 716,667.13/x
  3. Step 3: Cross multiply
    1,260,449.86x = 1,739,567.87 × 716,667.13
  4. Step 4: Simplify right side
    1,260,449.86x = 1,246,691,112,833.11
  5. Step 5: Solve for x
    x = 1,246,691,112,833.11/1,260,449.86
  6. Step 6: Final answer
    x = 989,084.26

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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.