Home / 713,005.20-1,068,989.40-292,064.40

Finding the Fourth Proportional to 713,005.20, 1,068,989.40 and 292,064.40

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Solution

The fourth proportional to 713,005.20, 1,068,989.40 and 292,064.40 is: 437,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,005.20 : 1,068,989.40 = 292,064.40 : x
  2. Step 2: Convert to fraction form
    713,005.20/1,068,989.40 = 292,064.40/x
  3. Step 3: Cross multiply
    713,005.20x = 1,068,989.40 × 292,064.40
  4. Step 4: Simplify right side
    713,005.20x = 312,213,747,717.36
  5. Step 5: Solve for x
    x = 312,213,747,717.36/713,005.20
  6. Step 6: Final answer
    x = 437,884.25

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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.