Home / 1,586,281.04-2,189,052.52-861,113.20

Finding the Fourth Proportional to 1,586,281.04, 2,189,052.52 and 861,113.20

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Solution

The fourth proportional to 1,586,281.04, 2,189,052.52 and 861,113.20 is: 1,188,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,281.04 : 2,189,052.52 = 861,113.20 : x
  2. Step 2: Convert to fraction form
    1,586,281.04/2,189,052.52 = 861,113.20/x
  3. Step 3: Cross multiply
    1,586,281.04x = 2,189,052.52 × 861,113.20
  4. Step 4: Simplify right side
    1,586,281.04x = 1,885,022,020,465.26
  5. Step 5: Solve for x
    x = 1,885,022,020,465.26/1,586,281.04
  6. Step 6: Final answer
    x = 1,188,327.90

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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.