Home / 702,113.13-968,915.25-379,822.50

Finding the Fourth Proportional to 702,113.13, 968,915.25 and 379,822.50

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Solution

The fourth proportional to 702,113.13, 968,915.25 and 379,822.50 is: 524,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,113.13 : 968,915.25 = 379,822.50 : x
  2. Step 2: Convert to fraction form
    702,113.13/968,915.25 = 379,822.50/x
  3. Step 3: Cross multiply
    702,113.13x = 968,915.25 × 379,822.50
  4. Step 4: Simplify right side
    702,113.13x = 368,015,812,543.13
  5. Step 5: Solve for x
    x = 368,015,812,543.13/702,113.13
  6. Step 6: Final answer
    x = 524,154.58

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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.