Home / 989,542.58-1,365,715.28-627,000.17

Finding the Fourth Proportional to 989,542.58, 1,365,715.28 and 627,000.17

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Solution

The fourth proportional to 989,542.58, 1,365,715.28 and 627,000.17 is: 865,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,542.58 : 1,365,715.28 = 627,000.17 : x
  2. Step 2: Convert to fraction form
    989,542.58/1,365,715.28 = 627,000.17/x
  3. Step 3: Cross multiply
    989,542.58x = 1,365,715.28 × 627,000.17
  4. Step 4: Simplify right side
    989,542.58x = 856,303,711,311.60
  5. Step 5: Solve for x
    x = 856,303,711,311.60/989,542.58
  6. Step 6: Final answer
    x = 865,353.08

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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.