Home / 786,001.32-1,179,251.08-280,551.11

Finding the Fourth Proportional to 786,001.32, 1,179,251.08 and 280,551.11

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Solution

The fourth proportional to 786,001.32, 1,179,251.08 and 280,551.11 is: 420,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,001.32 : 1,179,251.08 = 280,551.11 : x
  2. Step 2: Convert to fraction form
    786,001.32/1,179,251.08 = 280,551.11/x
  3. Step 3: Cross multiply
    786,001.32x = 1,179,251.08 × 280,551.11
  4. Step 4: Simplify right side
    786,001.32x = 330,840,192,865.07
  5. Step 5: Solve for x
    x = 330,840,192,865.07/786,001.32
  6. Step 6: Final answer
    x = 420,915.57

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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.