Home / 989,040.20-1,364,876.22-536,331.08

Finding the Fourth Proportional to 989,040.20, 1,364,876.22 and 536,331.08

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Solution

The fourth proportional to 989,040.20, 1,364,876.22 and 536,331.08 is: 740,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,040.20 : 1,364,876.22 = 536,331.08 : x
  2. Step 2: Convert to fraction form
    989,040.20/1,364,876.22 = 536,331.08/x
  3. Step 3: Cross multiply
    989,040.20x = 1,364,876.22 × 536,331.08
  4. Step 4: Simplify right side
    989,040.20x = 732,025,537,138.92
  5. Step 5: Solve for x
    x = 732,025,537,138.92/989,040.20
  6. Step 6: Final answer
    x = 740,137.29

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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.