Home / 519,928.31-717,378.09-302,007.53

Finding the Fourth Proportional to 519,928.31, 717,378.09 and 302,007.53

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Solution

The fourth proportional to 519,928.31, 717,378.09 and 302,007.53 is: 416,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,928.31 : 717,378.09 = 302,007.53 : x
  2. Step 2: Convert to fraction form
    519,928.31/717,378.09 = 302,007.53/x
  3. Step 3: Cross multiply
    519,928.31x = 717,378.09 × 302,007.53
  4. Step 4: Simplify right side
    519,928.31x = 216,653,585,697.94
  5. Step 5: Solve for x
    x = 216,653,585,697.94/519,928.31
  6. Step 6: Final answer
    x = 416,698.96

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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.