Home / 906,921.39-1,359,261-457,770.35

Finding the Fourth Proportional to 906,921.39, 1,359,261 and 457,770.35

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Solution

The fourth proportional to 906,921.39, 1,359,261 and 457,770.35 is: 686,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,921.39 : 1,359,261 = 457,770.35 : x
  2. Step 2: Convert to fraction form
    906,921.39/1,359,261 = 457,770.35/x
  3. Step 3: Cross multiply
    906,921.39x = 1,359,261 × 457,770.35
  4. Step 4: Simplify right side
    906,921.39x = 622,229,387,109.50
  5. Step 5: Solve for x
    x = 622,229,387,109.50/906,921.39
  6. Step 6: Final answer
    x = 686,089.66

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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.