Home / 925,734.80-1,388,602.20-294,712.40

Finding the Fourth Proportional to 925,734.80, 1,388,602.20 and 294,712.40

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Solution

The fourth proportional to 925,734.80, 1,388,602.20 and 294,712.40 is: 442,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,734.80 : 1,388,602.20 = 294,712.40 : x
  2. Step 2: Convert to fraction form
    925,734.80/1,388,602.20 = 294,712.40/x
  3. Step 3: Cross multiply
    925,734.80x = 1,388,602.20 × 294,712.40
  4. Step 4: Simplify right side
    925,734.80x = 409,238,287,007.28
  5. Step 5: Solve for x
    x = 409,238,287,007.28/925,734.80
  6. Step 6: Final answer
    x = 442,068.60

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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.