Home / 713,892.20-1,068,764.70-693,156.20

Finding the Fourth Proportional to 713,892.20, 1,068,764.70 and 693,156.20

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Solution

The fourth proportional to 713,892.20, 1,068,764.70 and 693,156.20 is: 1,037,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,892.20 : 1,068,764.70 = 693,156.20 : x
  2. Step 2: Convert to fraction form
    713,892.20/1,068,764.70 = 693,156.20/x
  3. Step 3: Cross multiply
    713,892.20x = 1,068,764.70 × 693,156.20
  4. Step 4: Simplify right side
    713,892.20x = 740,820,878,146.14
  5. Step 5: Solve for x
    x = 740,820,878,146.14/713,892.20
  6. Step 6: Final answer
    x = 1,037,720.93

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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.