Home / 725,098.84-1,000,905.88-622,713.16

Finding the Fourth Proportional to 725,098.84, 1,000,905.88 and 622,713.16

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Solution

The fourth proportional to 725,098.84, 1,000,905.88 and 622,713.16 is: 859,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,098.84 : 1,000,905.88 = 622,713.16 : x
  2. Step 2: Convert to fraction form
    725,098.84/1,000,905.88 = 622,713.16/x
  3. Step 3: Cross multiply
    725,098.84x = 1,000,905.88 × 622,713.16
  4. Step 4: Simplify right side
    725,098.84x = 623,277,263,397.38
  5. Step 5: Solve for x
    x = 623,277,263,397.38/725,098.84
  6. Step 6: Final answer
    x = 859,575.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.