Home / 922,819.20-1,384,228.80-291,926.40

Finding the Fourth Proportional to 922,819.20, 1,384,228.80 and 291,926.40

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Solution

The fourth proportional to 922,819.20, 1,384,228.80 and 291,926.40 is: 437,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,819.20 : 1,384,228.80 = 291,926.40 : x
  2. Step 2: Convert to fraction form
    922,819.20/1,384,228.80 = 291,926.40/x
  3. Step 3: Cross multiply
    922,819.20x = 1,384,228.80 × 291,926.40
  4. Step 4: Simplify right side
    922,819.20x = 404,092,930,360.32
  5. Step 5: Solve for x
    x = 404,092,930,360.32/922,819.20
  6. Step 6: Final answer
    x = 437,889.60

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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.