Home / 519,836.43-717,340.53-302,025.81

Finding the Fourth Proportional to 519,836.43, 717,340.53 and 302,025.81

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Solution

The fourth proportional to 519,836.43, 717,340.53 and 302,025.81 is: 416,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,836.43 : 717,340.53 = 302,025.81 : x
  2. Step 2: Convert to fraction form
    519,836.43/717,340.53 = 302,025.81/x
  3. Step 3: Cross multiply
    519,836.43x = 717,340.53 × 302,025.81
  4. Step 4: Simplify right side
    519,836.43x = 216,655,354,619.08
  5. Step 5: Solve for x
    x = 216,655,354,619.08/519,836.43
  6. Step 6: Final answer
    x = 416,776.01

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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.