Home / 289,113.08-398,593.80-237,240.18

Finding the Fourth Proportional to 289,113.08, 398,593.80 and 237,240.18

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Solution

The fourth proportional to 289,113.08, 398,593.80 and 237,240.18 is: 327,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,113.08 : 398,593.80 = 237,240.18 : x
  2. Step 2: Convert to fraction form
    289,113.08/398,593.80 = 237,240.18/x
  3. Step 3: Cross multiply
    289,113.08x = 398,593.80 × 237,240.18
  4. Step 4: Simplify right side
    289,113.08x = 94,562,464,858.88
  5. Step 5: Solve for x
    x = 94,562,464,858.88/289,113.08
  6. Step 6: Final answer
    x = 327,077.78

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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.