Home / 328,683.20-453,581.60-177,780.24

Finding the Fourth Proportional to 328,683.20, 453,581.60 and 177,780.24

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Solution

The fourth proportional to 328,683.20, 453,581.60 and 177,780.24 is: 245,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,683.20 : 453,581.60 = 177,780.24 : x
  2. Step 2: Convert to fraction form
    328,683.20/453,581.60 = 177,780.24/x
  3. Step 3: Cross multiply
    328,683.20x = 453,581.60 × 177,780.24
  4. Step 4: Simplify right side
    328,683.20x = 80,637,845,707.58
  5. Step 5: Solve for x
    x = 80,637,845,707.58/328,683.20
  6. Step 6: Final answer
    x = 245,336.07

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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.