Home / 792,439.20-1,186,559.28-417,674.88

Finding the Fourth Proportional to 792,439.20, 1,186,559.28 and 417,674.88

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Solution

The fourth proportional to 792,439.20, 1,186,559.28 and 417,674.88 is: 625,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,439.20 : 1,186,559.28 = 417,674.88 : x
  2. Step 2: Convert to fraction form
    792,439.20/1,186,559.28 = 417,674.88/x
  3. Step 3: Cross multiply
    792,439.20x = 1,186,559.28 × 417,674.88
  4. Step 4: Simplify right side
    792,439.20x = 495,596,004,886.89
  5. Step 5: Solve for x
    x = 495,596,004,886.89/792,439.20
  6. Step 6: Final answer
    x = 625,405.72

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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.