Home / 822,182.65-1,233,273.98-402,278.65

Finding the Fourth Proportional to 822,182.65, 1,233,273.98 and 402,278.65

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Solution

The fourth proportional to 822,182.65, 1,233,273.98 and 402,278.65 is: 603,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,182.65 : 1,233,273.98 = 402,278.65 : x
  2. Step 2: Convert to fraction form
    822,182.65/1,233,273.98 = 402,278.65/x
  3. Step 3: Cross multiply
    822,182.65x = 1,233,273.98 × 402,278.65
  4. Step 4: Simplify right side
    822,182.65x = 496,119,789,743.13
  5. Step 5: Solve for x
    x = 496,119,789,743.13/822,182.65
  6. Step 6: Final answer
    x = 603,417.98

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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.