Home / 656,890.97-986,736.47-618,496.48

Finding the Fourth Proportional to 656,890.97, 986,736.47 and 618,496.48

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Solution

The fourth proportional to 656,890.97, 986,736.47 and 618,496.48 is: 929,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,890.97 : 986,736.47 = 618,496.48 : x
  2. Step 2: Convert to fraction form
    656,890.97/986,736.47 = 618,496.48/x
  3. Step 3: Cross multiply
    656,890.97x = 986,736.47 × 618,496.48
  4. Step 4: Simplify right side
    656,890.97x = 610,293,032,462.03
  5. Step 5: Solve for x
    x = 610,293,032,462.03/656,890.97
  6. Step 6: Final answer
    x = 929,062.91

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1.5x scale

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.