Home / 525,535.20-725,238.43-283,817.70

Finding the Fourth Proportional to 525,535.20, 725,238.43 and 283,817.70

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Solution

The fourth proportional to 525,535.20, 725,238.43 and 283,817.70 is: 391,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,535.20 : 725,238.43 = 283,817.70 : x
  2. Step 2: Convert to fraction form
    525,535.20/725,238.43 = 283,817.70/x
  3. Step 3: Cross multiply
    525,535.20x = 725,238.43 × 283,817.70
  4. Step 4: Simplify right side
    525,535.20x = 205,835,502,444.67
  5. Step 5: Solve for x
    x = 205,835,502,444.67/525,535.20
  6. Step 6: Final answer
    x = 391,668.35

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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.