Home / 657,701.40-986,479.20-184,434.60

Finding the Fourth Proportional to 657,701.40, 986,479.20 and 184,434.60

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Solution

The fourth proportional to 657,701.40, 986,479.20 and 184,434.60 is: 276,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,701.40 : 986,479.20 = 184,434.60 : x
  2. Step 2: Convert to fraction form
    657,701.40/986,479.20 = 184,434.60/x
  3. Step 3: Cross multiply
    657,701.40x = 986,479.20 × 184,434.60
  4. Step 4: Simplify right side
    657,701.40x = 181,940,896,660.32
  5. Step 5: Solve for x
    x = 181,940,896,660.32/657,701.40
  6. Step 6: Final answer
    x = 276,631.46

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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.