Home / 526,631.51-726,756.74-284,919.27

Finding the Fourth Proportional to 526,631.51, 726,756.74 and 284,919.27

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Solution

The fourth proportional to 526,631.51, 726,756.74 and 284,919.27 is: 393,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,631.51 : 726,756.74 = 284,919.27 : x
  2. Step 2: Convert to fraction form
    526,631.51/726,756.74 = 284,919.27/x
  3. Step 3: Cross multiply
    526,631.51x = 726,756.74 × 284,919.27
  4. Step 4: Simplify right side
    526,631.51x = 207,066,998,403.78
  5. Step 5: Solve for x
    x = 207,066,998,403.78/526,631.51
  6. Step 6: Final answer
    x = 393,191.44

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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.