Home / 1,185,383.75-1,776,279.53-784,588.66

Finding the Fourth Proportional to 1,185,383.75, 1,776,279.53 and 784,588.66

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Solution

The fourth proportional to 1,185,383.75, 1,776,279.53 and 784,588.66 is: 1,175,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,383.75 : 1,776,279.53 = 784,588.66 : x
  2. Step 2: Convert to fraction form
    1,185,383.75/1,776,279.53 = 784,588.66/x
  3. Step 3: Cross multiply
    1,185,383.75x = 1,776,279.53 × 784,588.66
  4. Step 4: Simplify right side
    1,185,383.75x = 1,393,648,773,748.90
  5. Step 5: Solve for x
    x = 1,393,648,773,748.90/1,185,383.75
  6. Step 6: Final answer
    x = 1,175,694.18

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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.