Home / 637,669.77-880,024.04-351,189.78

Finding the Fourth Proportional to 637,669.77, 880,024.04 and 351,189.78

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Solution

The fourth proportional to 637,669.77, 880,024.04 and 351,189.78 is: 484,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,669.77 : 880,024.04 = 351,189.78 : x
  2. Step 2: Convert to fraction form
    637,669.77/880,024.04 = 351,189.78/x
  3. Step 3: Cross multiply
    637,669.77x = 880,024.04 × 351,189.78
  4. Step 4: Simplify right side
    637,669.77x = 309,055,447,238.68
  5. Step 5: Solve for x
    x = 309,055,447,238.68/637,669.77
  6. Step 6: Final answer
    x = 484,663.79

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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.