Home / 934,343.88-1,287,880.20-730,038.48

Finding the Fourth Proportional to 934,343.88, 1,287,880.20 and 730,038.48

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Solution

The fourth proportional to 934,343.88, 1,287,880.20 and 730,038.48 is: 1,006,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,343.88 : 1,287,880.20 = 730,038.48 : x
  2. Step 2: Convert to fraction form
    934,343.88/1,287,880.20 = 730,038.48/x
  3. Step 3: Cross multiply
    934,343.88x = 1,287,880.20 × 730,038.48
  4. Step 4: Simplify right side
    934,343.88x = 940,202,103,630.10
  5. Step 5: Solve for x
    x = 940,202,103,630.10/934,343.88
  6. Step 6: Final answer
    x = 1,006,269.88

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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.