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Finding the Fourth Proportional to 997,087.84, 1,375,587.84 and 614,448.16

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Solution

The fourth proportional to 997,087.84, 1,375,587.84 and 614,448.16 is: 847,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,087.84 : 1,375,587.84 = 614,448.16 : x
  2. Step 2: Convert to fraction form
    997,087.84/1,375,587.84 = 614,448.16/x
  3. Step 3: Cross multiply
    997,087.84x = 1,375,587.84 × 614,448.16
  4. Step 4: Simplify right side
    997,087.84x = 845,227,417,206.38
  5. Step 5: Solve for x
    x = 845,227,417,206.38/997,087.84
  6. Step 6: Final answer
    x = 847,696.04

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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.