Home / 585,454.08-807,916.10-330,799.80

Finding the Fourth Proportional to 585,454.08, 807,916.10 and 330,799.80

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Solution

The fourth proportional to 585,454.08, 807,916.10 and 330,799.80 is: 456,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,454.08 : 807,916.10 = 330,799.80 : x
  2. Step 2: Convert to fraction form
    585,454.08/807,916.10 = 330,799.80/x
  3. Step 3: Cross multiply
    585,454.08x = 807,916.10 × 330,799.80
  4. Step 4: Simplify right side
    585,454.08x = 267,258,484,296.78
  5. Step 5: Solve for x
    x = 267,258,484,296.78/585,454.08
  6. Step 6: Final answer
    x = 456,497.77

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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.