Home / 568,155.27-784,031.36-313,503.15

Finding the Fourth Proportional to 568,155.27, 784,031.36 and 313,503.15

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Solution

The fourth proportional to 568,155.27, 784,031.36 and 313,503.15 is: 432,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,155.27 : 784,031.36 = 313,503.15 : x
  2. Step 2: Convert to fraction form
    568,155.27/784,031.36 = 313,503.15/x
  3. Step 3: Cross multiply
    568,155.27x = 784,031.36 × 313,503.15
  4. Step 4: Simplify right side
    568,155.27x = 245,796,299,491.27
  5. Step 5: Solve for x
    x = 245,796,299,491.27/568,155.27
  6. Step 6: Final answer
    x = 432,621.70

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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.