Home / 461,566.08-636,719.04-401,000.64

Finding the Fourth Proportional to 461,566.08, 636,719.04 and 401,000.64

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Solution

The fourth proportional to 461,566.08, 636,719.04 and 401,000.64 is: 553,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,566.08 : 636,719.04 = 401,000.64 : x
  2. Step 2: Convert to fraction form
    461,566.08/636,719.04 = 401,000.64/x
  3. Step 3: Cross multiply
    461,566.08x = 636,719.04 × 401,000.64
  4. Step 4: Simplify right side
    461,566.08x = 255,324,742,540.19
  5. Step 5: Solve for x
    x = 255,324,742,540.19/461,566.08
  6. Step 6: Final answer
    x = 553,170.51

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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.