Home / 583,902.18-805,783.68-329,251.55

Finding the Fourth Proportional to 583,902.18, 805,783.68 and 329,251.55

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Solution

The fourth proportional to 583,902.18, 805,783.68 and 329,251.55 is: 454,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,902.18 : 805,783.68 = 329,251.55 : x
  2. Step 2: Convert to fraction form
    583,902.18/805,783.68 = 329,251.55/x
  3. Step 3: Cross multiply
    583,902.18x = 805,783.68 × 329,251.55
  4. Step 4: Simplify right side
    583,902.18x = 265,305,521,575.79
  5. Step 5: Solve for x
    x = 265,305,521,575.79/583,902.18
  6. Step 6: Final answer
    x = 454,366.38

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Double scale
Find fourth proportional to 583,903.18, 805,785.06 and 329,252.55
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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.