Home / 646,664.64-892,305.78-367,252.32

Finding the Fourth Proportional to 646,664.64, 892,305.78 and 367,252.32

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Solution

The fourth proportional to 646,664.64, 892,305.78 and 367,252.32 is: 506,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,664.64 : 892,305.78 = 367,252.32 : x
  2. Step 2: Convert to fraction form
    646,664.64/892,305.78 = 367,252.32/x
  3. Step 3: Cross multiply
    646,664.64x = 892,305.78 × 367,252.32
  4. Step 4: Simplify right side
    646,664.64x = 327,701,367,854.41
  5. Step 5: Solve for x
    x = 327,701,367,854.41/646,664.64
  6. Step 6: Final answer
    x = 506,756.28

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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.