Home / 1,314,906.78-1,973,572.49-666,937.76

Finding the Fourth Proportional to 1,314,906.78, 1,973,572.49 and 666,937.76

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Solution

The fourth proportional to 1,314,906.78, 1,973,572.49 and 666,937.76 is: 1,001,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,906.78 : 1,973,572.49 = 666,937.76 : x
  2. Step 2: Convert to fraction form
    1,314,906.78/1,973,572.49 = 666,937.76/x
  3. Step 3: Cross multiply
    1,314,906.78x = 1,973,572.49 × 666,937.76
  4. Step 4: Simplify right side
    1,314,906.78x = 1,316,250,017,277.46
  5. Step 5: Solve for x
    x = 1,316,250,017,277.46/1,314,906.78
  6. Step 6: Final answer
    x = 1,001,021.55

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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.