Home / 1,164,213.72-1,606,667.74-648,000.56

Finding the Fourth Proportional to 1,164,213.72, 1,606,667.74 and 648,000.56

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Solution

The fourth proportional to 1,164,213.72, 1,606,667.74 and 648,000.56 is: 894,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,213.72 : 1,606,667.74 = 648,000.56 : x
  2. Step 2: Convert to fraction form
    1,164,213.72/1,606,667.74 = 648,000.56/x
  3. Step 3: Cross multiply
    1,164,213.72x = 1,606,667.74 × 648,000.56
  4. Step 4: Simplify right side
    1,164,213.72x = 1,041,121,595,253.93
  5. Step 5: Solve for x
    x = 1,041,121,595,253.93/1,164,213.72
  6. Step 6: Final answer
    x = 894,270.16

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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.