Home / 790,355.40-1,182,077.10-706,720.20

Finding the Fourth Proportional to 790,355.40, 1,182,077.10 and 706,720.20

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Solution

The fourth proportional to 790,355.40, 1,182,077.10 and 706,720.20 is: 1,056,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,355.40 : 1,182,077.10 = 706,720.20 : x
  2. Step 2: Convert to fraction form
    790,355.40/1,182,077.10 = 706,720.20/x
  3. Step 3: Cross multiply
    790,355.40x = 1,182,077.10 × 706,720.20
  4. Step 4: Simplify right side
    790,355.40x = 835,397,764,527.42
  5. Step 5: Solve for x
    x = 835,397,764,527.42/790,355.40
  6. Step 6: Final answer
    x = 1,056,990.01

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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.