Home / 657,616.85-986,454.02-208,370.83

Finding the Fourth Proportional to 657,616.85, 986,454.02 and 208,370.83

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Solution

The fourth proportional to 657,616.85, 986,454.02 and 208,370.83 is: 312,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,616.85 : 986,454.02 = 208,370.83 : x
  2. Step 2: Convert to fraction form
    657,616.85/986,454.02 = 208,370.83/x
  3. Step 3: Cross multiply
    657,616.85x = 986,454.02 × 208,370.83
  4. Step 4: Simplify right side
    657,616.85x = 205,548,242,222.59
  5. Step 5: Solve for x
    x = 205,548,242,222.59/657,616.85
  6. Step 6: Final answer
    x = 312,565.35

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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.