Home / 504,966.38-696,868.18-278,626.46

Finding the Fourth Proportional to 504,966.38, 696,868.18 and 278,626.46

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Solution

The fourth proportional to 504,966.38, 696,868.18 and 278,626.46 is: 384,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,966.38 : 696,868.18 = 278,626.46 : x
  2. Step 2: Convert to fraction form
    504,966.38/696,868.18 = 278,626.46/x
  3. Step 3: Cross multiply
    504,966.38x = 696,868.18 × 278,626.46
  4. Step 4: Simplify right side
    504,966.38x = 194,165,909,899.14
  5. Step 5: Solve for x
    x = 194,165,909,899.14/504,966.38
  6. Step 6: Final answer
    x = 384,512.55

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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.