Home / 741,943.80-1,112,915.70-476,223.30

Finding the Fourth Proportional to 741,943.80, 1,112,915.70 and 476,223.30

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Solution

The fourth proportional to 741,943.80, 1,112,915.70 and 476,223.30 is: 714,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,943.80 : 1,112,915.70 = 476,223.30 : x
  2. Step 2: Convert to fraction form
    741,943.80/1,112,915.70 = 476,223.30/x
  3. Step 3: Cross multiply
    741,943.80x = 1,112,915.70 × 476,223.30
  4. Step 4: Simplify right side
    741,943.80x = 529,996,387,275.81
  5. Step 5: Solve for x
    x = 529,996,387,275.81/741,943.80
  6. Step 6: Final answer
    x = 714,334.95

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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.