Home / 691,428-1,037,316.96-192,792

Finding the Fourth Proportional to 691,428, 1,037,316.96 and 192,792

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Solution

The fourth proportional to 691,428, 1,037,316.96 and 192,792 is: 289,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,428 : 1,037,316.96 = 192,792 : x
  2. Step 2: Convert to fraction form
    691,428/1,037,316.96 = 192,792/x
  3. Step 3: Cross multiply
    691,428x = 1,037,316.96 × 192,792
  4. Step 4: Simplify right side
    691,428x = 199,986,411,352.32
  5. Step 5: Solve for x
    x = 199,986,411,352.32/691,428
  6. Step 6: Final answer
    x = 289,236.78

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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.