Home / 525,896.20-788,844.30-496,865.80

Finding the Fourth Proportional to 525,896.20, 788,844.30 and 496,865.80

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Solution

The fourth proportional to 525,896.20, 788,844.30 and 496,865.80 is: 745,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,896.20 : 788,844.30 = 496,865.80 : x
  2. Step 2: Convert to fraction form
    525,896.20/788,844.30 = 496,865.80/x
  3. Step 3: Cross multiply
    525,896.20x = 788,844.30 × 496,865.80
  4. Step 4: Simplify right side
    525,896.20x = 391,949,754,194.94
  5. Step 5: Solve for x
    x = 391,949,754,194.94/525,896.20
  6. Step 6: Final answer
    x = 745,298.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.