Home / 578,581.38-798,256.58-374,788.53

Finding the Fourth Proportional to 578,581.38, 798,256.58 and 374,788.53

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Solution

The fourth proportional to 578,581.38, 798,256.58 and 374,788.53 is: 517,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,581.38 : 798,256.58 = 374,788.53 : x
  2. Step 2: Convert to fraction form
    578,581.38/798,256.58 = 374,788.53/x
  3. Step 3: Cross multiply
    578,581.38x = 798,256.58 × 374,788.53
  4. Step 4: Simplify right side
    578,581.38x = 299,177,404,315.80
  5. Step 5: Solve for x
    x = 299,177,404,315.80/578,581.38
  6. Step 6: Final answer
    x = 517,087.86

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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.