Home / 500,217.36-688,844.37-434,776.86

Finding the Fourth Proportional to 500,217.36, 688,844.37 and 434,776.86

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Solution

The fourth proportional to 500,217.36, 688,844.37 and 434,776.86 is: 598,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,217.36 : 688,844.37 = 434,776.86 : x
  2. Step 2: Convert to fraction form
    500,217.36/688,844.37 = 434,776.86/x
  3. Step 3: Cross multiply
    500,217.36x = 688,844.37 × 434,776.86
  4. Step 4: Simplify right side
    500,217.36x = 299,493,592,217.28
  5. Step 5: Solve for x
    x = 299,493,592,217.28/500,217.36
  6. Step 6: Final answer
    x = 598,726.91

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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.