Home / 637,933.74-880,346.53-351,451.34

Finding the Fourth Proportional to 637,933.74, 880,346.53 and 351,451.34

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Solution

The fourth proportional to 637,933.74, 880,346.53 and 351,451.34 is: 485,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,933.74 : 880,346.53 = 351,451.34 : x
  2. Step 2: Convert to fraction form
    637,933.74/880,346.53 = 351,451.34/x
  3. Step 3: Cross multiply
    637,933.74x = 880,346.53 × 351,451.34
  4. Step 4: Simplify right side
    637,933.74x = 309,398,967,632.85
  5. Step 5: Solve for x
    x = 309,398,967,632.85/637,933.74
  6. Step 6: Final answer
    x = 485,001.73

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Double scale
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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.