Home / 525,221.24-788,030.38-205,601.52

Finding the Fourth Proportional to 525,221.24, 788,030.38 and 205,601.52

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Solution

The fourth proportional to 525,221.24, 788,030.38 and 205,601.52 is: 308,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,221.24 : 788,030.38 = 205,601.52 : x
  2. Step 2: Convert to fraction form
    525,221.24/788,030.38 = 205,601.52/x
  3. Step 3: Cross multiply
    525,221.24x = 788,030.38 × 205,601.52
  4. Step 4: Simplify right side
    525,221.24x = 162,020,243,934.18
  5. Step 5: Solve for x
    x = 162,020,243,934.18/525,221.24
  6. Step 6: Final answer
    x = 308,479.99

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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.