Home / 823,358.91-1,136,932.79-517,533.79

Finding the Fourth Proportional to 823,358.91, 1,136,932.79 and 517,533.79

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Solution

The fourth proportional to 823,358.91, 1,136,932.79 and 517,533.79 is: 714,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,358.91 : 1,136,932.79 = 517,533.79 : x
  2. Step 2: Convert to fraction form
    823,358.91/1,136,932.79 = 517,533.79/x
  3. Step 3: Cross multiply
    823,358.91x = 1,136,932.79 × 517,533.79
  4. Step 4: Simplify right side
    823,358.91x = 588,401,130,269.46
  5. Step 5: Solve for x
    x = 588,401,130,269.46/823,358.91
  6. Step 6: Final answer
    x = 714,635.04

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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.