Home / 1,088,123.20-1,632,415.20-329,902.40

Finding the Fourth Proportional to 1,088,123.20, 1,632,415.20 and 329,902.40

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Solution

The fourth proportional to 1,088,123.20, 1,632,415.20 and 329,902.40 is: 494,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,123.20 : 1,632,415.20 = 329,902.40 : x
  2. Step 2: Convert to fraction form
    1,088,123.20/1,632,415.20 = 329,902.40/x
  3. Step 3: Cross multiply
    1,088,123.20x = 1,632,415.20 × 329,902.40
  4. Step 4: Simplify right side
    1,088,123.20x = 538,537,692,276.48
  5. Step 5: Solve for x
    x = 538,537,692,276.48/1,088,123.20
  6. Step 6: Final answer
    x = 494,923.45

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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.