Home / 928,358.20-1,392,537.30-455,966.20

Finding the Fourth Proportional to 928,358.20, 1,392,537.30 and 455,966.20

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Solution

The fourth proportional to 928,358.20, 1,392,537.30 and 455,966.20 is: 683,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,358.20 : 1,392,537.30 = 455,966.20 : x
  2. Step 2: Convert to fraction form
    928,358.20/1,392,537.30 = 455,966.20/x
  3. Step 3: Cross multiply
    928,358.20x = 1,392,537.30 × 455,966.20
  4. Step 4: Simplify right side
    928,358.20x = 634,949,941,039.26
  5. Step 5: Solve for x
    x = 634,949,941,039.26/928,358.20
  6. Step 6: Final answer
    x = 683,949.30

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Double scale
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Similar ratio
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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.