Home / 733,568.64-1,012,766.40-479,345.28

Finding the Fourth Proportional to 733,568.64, 1,012,766.40 and 479,345.28

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Solution

The fourth proportional to 733,568.64, 1,012,766.40 and 479,345.28 is: 661,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,568.64 : 1,012,766.40 = 479,345.28 : x
  2. Step 2: Convert to fraction form
    733,568.64/1,012,766.40 = 479,345.28/x
  3. Step 3: Cross multiply
    733,568.64x = 1,012,766.40 × 479,345.28
  4. Step 4: Simplify right side
    733,568.64x = 485,464,793,582.59
  5. Step 5: Solve for x
    x = 485,464,793,582.59/733,568.64
  6. Step 6: Final answer
    x = 661,785.10

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Double scale
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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.