Home / 822,182.45-1,233,273.68-402,278.45

Finding the Fourth Proportional to 822,182.45, 1,233,273.68 and 402,278.45

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Solution

The fourth proportional to 822,182.45, 1,233,273.68 and 402,278.45 is: 603,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,182.45 : 1,233,273.68 = 402,278.45 : x
  2. Step 2: Convert to fraction form
    822,182.45/1,233,273.68 = 402,278.45/x
  3. Step 3: Cross multiply
    822,182.45x = 1,233,273.68 × 402,278.45
  4. Step 4: Simplify right side
    822,182.45x = 496,119,422,404.80
  5. Step 5: Solve for x
    x = 496,119,422,404.80/822,182.45
  6. Step 6: Final answer
    x = 603,417.68

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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.