Home / 879,350.52-1,213,434.90-516,788.04

Finding the Fourth Proportional to 879,350.52, 1,213,434.90 and 516,788.04

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Solution

The fourth proportional to 879,350.52, 1,213,434.90 and 516,788.04 is: 713,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,350.52 : 1,213,434.90 = 516,788.04 : x
  2. Step 2: Convert to fraction form
    879,350.52/1,213,434.90 = 516,788.04/x
  3. Step 3: Cross multiply
    879,350.52x = 1,213,434.90 × 516,788.04
  4. Step 4: Simplify right side
    879,350.52x = 627,088,643,638.60
  5. Step 5: Solve for x
    x = 627,088,643,638.60/879,350.52
  6. Step 6: Final answer
    x = 713,127.05

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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.