Home / 770,810.20-1,156,215.30-713,073.40

Finding the Fourth Proportional to 770,810.20, 1,156,215.30 and 713,073.40

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Solution

The fourth proportional to 770,810.20, 1,156,215.30 and 713,073.40 is: 1,069,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,810.20 : 1,156,215.30 = 713,073.40 : x
  2. Step 2: Convert to fraction form
    770,810.20/1,156,215.30 = 713,073.40/x
  3. Step 3: Cross multiply
    770,810.20x = 1,156,215.30 × 713,073.40
  4. Step 4: Simplify right side
    770,810.20x = 824,466,375,103.02
  5. Step 5: Solve for x
    x = 824,466,375,103.02/770,810.20
  6. Step 6: Final answer
    x = 1,069,610.10

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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.