Home / 790,724.40-1,091,466-480,626.04

Finding the Fourth Proportional to 790,724.40, 1,091,466 and 480,626.04

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Solution

The fourth proportional to 790,724.40, 1,091,466 and 480,626.04 is: 663,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,724.40 : 1,091,466 = 480,626.04 : x
  2. Step 2: Convert to fraction form
    790,724.40/1,091,466 = 480,626.04/x
  3. Step 3: Cross multiply
    790,724.40x = 1,091,466 × 480,626.04
  4. Step 4: Simplify right side
    790,724.40x = 524,586,981,374.64
  5. Step 5: Solve for x
    x = 524,586,981,374.64/790,724.40
  6. Step 6: Final answer
    x = 663,425.82

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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.