Home / 925,799.84-1,388,711.28-294,711.20

Finding the Fourth Proportional to 925,799.84, 1,388,711.28 and 294,711.20

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Solution

The fourth proportional to 925,799.84, 1,388,711.28 and 294,711.20 is: 442,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,799.84 : 1,388,711.28 = 294,711.20 : x
  2. Step 2: Convert to fraction form
    925,799.84/1,388,711.28 = 294,711.20/x
  3. Step 3: Cross multiply
    925,799.84x = 1,388,711.28 × 294,711.20
  4. Step 4: Simplify right side
    925,799.84x = 409,268,767,782.34
  5. Step 5: Solve for x
    x = 409,268,767,782.34/925,799.84
  6. Step 6: Final answer
    x = 442,070.47

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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.