Home / 808,273.38-1,115,393.40-445,697.14

Finding the Fourth Proportional to 808,273.38, 1,115,393.40 and 445,697.14

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Solution

The fourth proportional to 808,273.38, 1,115,393.40 and 445,697.14 is: 615,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,273.38 : 1,115,393.40 = 445,697.14 : x
  2. Step 2: Convert to fraction form
    808,273.38/1,115,393.40 = 445,697.14/x
  3. Step 3: Cross multiply
    808,273.38x = 1,115,393.40 × 445,697.14
  4. Step 4: Simplify right side
    808,273.38x = 497,127,648,354.88
  5. Step 5: Solve for x
    x = 497,127,648,354.88/808,273.38
  6. Step 6: Final answer
    x = 615,048.89

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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.