Home / 1,186,347.98-1,637,190.17-727,715.45

Finding the Fourth Proportional to 1,186,347.98, 1,637,190.17 and 727,715.45

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Solution

The fourth proportional to 1,186,347.98, 1,637,190.17 and 727,715.45 is: 1,004,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,347.98 : 1,637,190.17 = 727,715.45 : x
  2. Step 2: Convert to fraction form
    1,186,347.98/1,637,190.17 = 727,715.45/x
  3. Step 3: Cross multiply
    1,186,347.98x = 1,637,190.17 × 727,715.45
  4. Step 4: Simplify right side
    1,186,347.98x = 1,191,408,572,201.53
  5. Step 5: Solve for x
    x = 1,191,408,572,201.53/1,186,347.98
  6. Step 6: Final answer
    x = 1,004,265.69

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Double scale
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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.