Home / 816,944.12-1,127,216.04-477,346.76

Finding the Fourth Proportional to 816,944.12, 1,127,216.04 and 477,346.76

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Solution

The fourth proportional to 816,944.12, 1,127,216.04 and 477,346.76 is: 658,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,944.12 : 1,127,216.04 = 477,346.76 : x
  2. Step 2: Convert to fraction form
    816,944.12/1,127,216.04 = 477,346.76/x
  3. Step 3: Cross multiply
    816,944.12x = 1,127,216.04 × 477,346.76
  4. Step 4: Simplify right side
    816,944.12x = 538,072,924,514.03
  5. Step 5: Solve for x
    x = 538,072,924,514.03/816,944.12
  6. Step 6: Final answer
    x = 658,641.04

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Double scale
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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.