Home / 526,688.36-726,824.75-284,965.63

Finding the Fourth Proportional to 526,688.36, 726,824.75 and 284,965.63

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Solution

The fourth proportional to 526,688.36, 726,824.75 and 284,965.63 is: 393,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,688.36 : 726,824.75 = 284,965.63 : x
  2. Step 2: Convert to fraction form
    526,688.36/726,824.75 = 284,965.63/x
  3. Step 3: Cross multiply
    526,688.36x = 726,824.75 × 284,965.63
  4. Step 4: Simplify right side
    526,688.36x = 207,120,069,541.45
  5. Step 5: Solve for x
    x = 207,120,069,541.45/526,688.36
  6. Step 6: Final answer
    x = 393,249.76

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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.