Home / 869,948.58-1,200,526.61-482,822.45

Finding the Fourth Proportional to 869,948.58, 1,200,526.61 and 482,822.45

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Solution

The fourth proportional to 869,948.58, 1,200,526.61 and 482,822.45 is: 666,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,948.58 : 1,200,526.61 = 482,822.45 : x
  2. Step 2: Convert to fraction form
    869,948.58/1,200,526.61 = 482,822.45/x
  3. Step 3: Cross multiply
    869,948.58x = 1,200,526.61 × 482,822.45
  4. Step 4: Simplify right side
    869,948.58x = 579,641,190,713.65
  5. Step 5: Solve for x
    x = 579,641,190,713.65/869,948.58
  6. Step 6: Final answer
    x = 666,293.62

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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.