Home / 923,624.12-1,274,622.90-515,712.18

Finding the Fourth Proportional to 923,624.12, 1,274,622.90 and 515,712.18

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Solution

The fourth proportional to 923,624.12, 1,274,622.90 and 515,712.18 is: 711,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,624.12 : 1,274,622.90 = 515,712.18 : x
  2. Step 2: Convert to fraction form
    923,624.12/1,274,622.90 = 515,712.18/x
  3. Step 3: Cross multiply
    923,624.12x = 1,274,622.90 × 515,712.18
  4. Step 4: Simplify right side
    923,624.12x = 657,338,554,436.92
  5. Step 5: Solve for x
    x = 657,338,554,436.92/923,624.12
  6. Step 6: Final answer
    x = 711,694.88

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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.