Home / 942,702.46-1,300,945.17-512,989.18

Finding the Fourth Proportional to 942,702.46, 1,300,945.17 and 512,989.18

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Solution

The fourth proportional to 942,702.46, 1,300,945.17 and 512,989.18 is: 707,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,702.46 : 1,300,945.17 = 512,989.18 : x
  2. Step 2: Convert to fraction form
    942,702.46/1,300,945.17 = 512,989.18/x
  3. Step 3: Cross multiply
    942,702.46x = 1,300,945.17 × 512,989.18
  4. Step 4: Simplify right side
    942,702.46x = 667,370,795,983.26
  5. Step 5: Solve for x
    x = 667,370,795,983.26/942,702.46
  6. Step 6: Final answer
    x = 707,933.65

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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.