Home / 970,990.76-1,340,040.22-563,089.06

Finding the Fourth Proportional to 970,990.76, 1,340,040.22 and 563,089.06

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Solution

The fourth proportional to 970,990.76, 1,340,040.22 and 563,089.06 is: 777,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,990.76 : 1,340,040.22 = 563,089.06 : x
  2. Step 2: Convert to fraction form
    970,990.76/1,340,040.22 = 563,089.06/x
  3. Step 3: Cross multiply
    970,990.76x = 1,340,040.22 × 563,089.06
  4. Step 4: Simplify right side
    970,990.76x = 754,561,987,841.99
  5. Step 5: Solve for x
    x = 754,561,987,841.99/970,990.76
  6. Step 6: Final answer
    x = 777,105.22

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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.