Home / 1,570,781.20-2,357,921.40-862,193.20

Finding the Fourth Proportional to 1,570,781.20, 2,357,921.40 and 862,193.20

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Solution

The fourth proportional to 1,570,781.20, 2,357,921.40 and 862,193.20 is: 1,294,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,781.20 : 2,357,921.40 = 862,193.20 : x
  2. Step 2: Convert to fraction form
    1,570,781.20/2,357,921.40 = 862,193.20/x
  3. Step 3: Cross multiply
    1,570,781.20x = 2,357,921.40 × 862,193.20
  4. Step 4: Simplify right side
    1,570,781.20x = 2,032,983,797,214.48
  5. Step 5: Solve for x
    x = 2,032,983,797,214.48/1,570,781.20
  6. Step 6: Final answer
    x = 1,294,250.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.