Home / 519,981.04-717,529.30-299,225.48

Finding the Fourth Proportional to 519,981.04, 717,529.30 and 299,225.48

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Solution

The fourth proportional to 519,981.04, 717,529.30 and 299,225.48 is: 412,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,981.04 : 717,529.30 = 299,225.48 : x
  2. Step 2: Convert to fraction form
    519,981.04/717,529.30 = 299,225.48/x
  3. Step 3: Cross multiply
    519,981.04x = 717,529.30 × 299,225.48
  4. Step 4: Simplify right side
    519,981.04x = 214,703,049,206.56
  5. Step 5: Solve for x
    x = 214,703,049,206.56/519,981.04
  6. Step 6: Final answer
    x = 412,905.53

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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.