Home / 876,088.80-1,314,133.20-787,615.20

Finding the Fourth Proportional to 876,088.80, 1,314,133.20 and 787,615.20

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Solution

The fourth proportional to 876,088.80, 1,314,133.20 and 787,615.20 is: 1,181,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,088.80 : 1,314,133.20 = 787,615.20 : x
  2. Step 2: Convert to fraction form
    876,088.80/1,314,133.20 = 787,615.20/x
  3. Step 3: Cross multiply
    876,088.80x = 1,314,133.20 × 787,615.20
  4. Step 4: Simplify right side
    876,088.80x = 1,035,031,283,144.64
  5. Step 5: Solve for x
    x = 1,035,031,283,144.64/876,088.80
  6. Step 6: Final answer
    x = 1,181,422.80

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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.