Home / 1,668,512.36-2,502,768.50-769,688.18

Finding the Fourth Proportional to 1,668,512.36, 2,502,768.50 and 769,688.18

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Solution

The fourth proportional to 1,668,512.36, 2,502,768.50 and 769,688.18 is: 1,154,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,512.36 : 2,502,768.50 = 769,688.18 : x
  2. Step 2: Convert to fraction form
    1,668,512.36/2,502,768.50 = 769,688.18/x
  3. Step 3: Cross multiply
    1,668,512.36x = 2,502,768.50 × 769,688.18
  4. Step 4: Simplify right side
    1,668,512.36x = 1,926,351,331,726.33
  5. Step 5: Solve for x
    x = 1,926,351,331,726.33/1,668,512.36
  6. Step 6: Final answer
    x = 1,154,532.25

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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.