Home / 852,150.12-1,176,037.50-489,643.98

Finding the Fourth Proportional to 852,150.12, 1,176,037.50 and 489,643.98

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Solution

The fourth proportional to 852,150.12, 1,176,037.50 and 489,643.98 is: 675,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,150.12 : 1,176,037.50 = 489,643.98 : x
  2. Step 2: Convert to fraction form
    852,150.12/1,176,037.50 = 489,643.98/x
  3. Step 3: Cross multiply
    852,150.12x = 1,176,037.50 × 489,643.98
  4. Step 4: Simplify right side
    852,150.12x = 575,839,682,129.25
  5. Step 5: Solve for x
    x = 575,839,682,129.25/852,150.12
  6. Step 6: Final answer
    x = 675,749.11

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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.