Home / 657,581.04-986,288.44-208,347.48

Finding the Fourth Proportional to 657,581.04, 986,288.44 and 208,347.48

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Solution

The fourth proportional to 657,581.04, 986,288.44 and 208,347.48 is: 312,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,581.04 : 986,288.44 = 208,347.48 : x
  2. Step 2: Convert to fraction form
    657,581.04/986,288.44 = 208,347.48/x
  3. Step 3: Cross multiply
    657,581.04x = 986,288.44 × 208,347.48
  4. Step 4: Simplify right side
    657,581.04x = 205,490,711,027.13
  5. Step 5: Solve for x
    x = 205,490,711,027.13/657,581.04
  6. Step 6: Final answer
    x = 312,494.88

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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.