Home / 876,618.30-1,314,927.45-719,024.70

Finding the Fourth Proportional to 876,618.30, 1,314,927.45 and 719,024.70

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Solution

The fourth proportional to 876,618.30, 1,314,927.45 and 719,024.70 is: 1,078,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,618.30 : 1,314,927.45 = 719,024.70 : x
  2. Step 2: Convert to fraction form
    876,618.30/1,314,927.45 = 719,024.70/x
  3. Step 3: Cross multiply
    876,618.30x = 1,314,927.45 × 719,024.70
  4. Step 4: Simplify right side
    876,618.30x = 945,465,315,258.02
  5. Step 5: Solve for x
    x = 945,465,315,258.02/876,618.30
  6. Step 6: Final answer
    x = 1,078,537.05

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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.