Home / 528,206.55-729,207.46-413,240.82

Finding the Fourth Proportional to 528,206.55, 729,207.46 and 413,240.82

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Solution

The fourth proportional to 528,206.55, 729,207.46 and 413,240.82 is: 570,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,206.55 : 729,207.46 = 413,240.82 : x
  2. Step 2: Convert to fraction form
    528,206.55/729,207.46 = 413,240.82/x
  3. Step 3: Cross multiply
    528,206.55x = 729,207.46 × 413,240.82
  4. Step 4: Simplify right side
    528,206.55x = 301,338,288,720.52
  5. Step 5: Solve for x
    x = 301,338,288,720.52/528,206.55
  6. Step 6: Final answer
    x = 570,493.28

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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.