Home / 657,633.10-986,449.65-618,267.10

Finding the Fourth Proportional to 657,633.10, 986,449.65 and 618,267.10

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Solution

The fourth proportional to 657,633.10, 986,449.65 and 618,267.10 is: 927,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,633.10 : 986,449.65 = 618,267.10 : x
  2. Step 2: Convert to fraction form
    657,633.10/986,449.65 = 618,267.10/x
  3. Step 3: Cross multiply
    657,633.10x = 986,449.65 × 618,267.10
  4. Step 4: Simplify right side
    657,633.10x = 609,889,364,401.52
  5. Step 5: Solve for x
    x = 609,889,364,401.52/657,633.10
  6. Step 6: Final answer
    x = 927,400.65

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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.