Home / 657,237.20-986,030.46-207,966.05

Finding the Fourth Proportional to 657,237.20, 986,030.46 and 207,966.05

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Solution

The fourth proportional to 657,237.20, 986,030.46 and 207,966.05 is: 312,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,237.20 : 986,030.46 = 207,966.05 : x
  2. Step 2: Convert to fraction form
    657,237.20/986,030.46 = 207,966.05/x
  3. Step 3: Cross multiply
    657,237.20x = 986,030.46 × 207,966.05
  4. Step 4: Simplify right side
    657,237.20x = 205,060,859,945.88
  5. Step 5: Solve for x
    x = 205,060,859,945.88/657,237.20
  6. Step 6: Final answer
    x = 312,004.34

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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.