Home / 823,902.70-1,235,854.05-292,024.30

Finding the Fourth Proportional to 823,902.70, 1,235,854.05 and 292,024.30

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Solution

The fourth proportional to 823,902.70, 1,235,854.05 and 292,024.30 is: 438,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,902.70 : 1,235,854.05 = 292,024.30 : x
  2. Step 2: Convert to fraction form
    823,902.70/1,235,854.05 = 292,024.30/x
  3. Step 3: Cross multiply
    823,902.70x = 1,235,854.05 × 292,024.30
  4. Step 4: Simplify right side
    823,902.70x = 360,899,413,853.42
  5. Step 5: Solve for x
    x = 360,899,413,853.42/823,902.70
  6. Step 6: Final answer
    x = 438,036.45

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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.