Home / 849,603.28-1,172,443.24-467,621.88

Finding the Fourth Proportional to 849,603.28, 1,172,443.24 and 467,621.88

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Solution

The fourth proportional to 849,603.28, 1,172,443.24 and 467,621.88 is: 645,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,603.28 : 1,172,443.24 = 467,621.88 : x
  2. Step 2: Convert to fraction form
    849,603.28/1,172,443.24 = 467,621.88/x
  3. Step 3: Cross multiply
    849,603.28x = 1,172,443.24 × 467,621.88
  4. Step 4: Simplify right side
    849,603.28x = 548,260,112,082.09
  5. Step 5: Solve for x
    x = 548,260,112,082.09/849,603.28
  6. Step 6: Final answer
    x = 645,313.08

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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.