Home / 869,949.58-1,200,527.98-482,823.45

Finding the Fourth Proportional to 869,949.58, 1,200,527.98 and 482,823.45

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Solution

The fourth proportional to 869,949.58, 1,200,527.98 and 482,823.45 is: 666,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,949.58 : 1,200,527.98 = 482,823.45 : x
  2. Step 2: Convert to fraction form
    869,949.58/1,200,527.98 = 482,823.45/x
  3. Step 3: Cross multiply
    869,949.58x = 1,200,527.98 × 482,823.45
  4. Step 4: Simplify right side
    869,949.58x = 579,643,061,125.13
  5. Step 5: Solve for x
    x = 579,643,061,125.13/869,949.58
  6. Step 6: Final answer
    x = 666,295.01

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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.