Home / 1,143,657.63-1,578,242.48-653,618.97

Finding the Fourth Proportional to 1,143,657.63, 1,578,242.48 and 653,618.97

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Solution

The fourth proportional to 1,143,657.63, 1,578,242.48 and 653,618.97 is: 901,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,657.63 : 1,578,242.48 = 653,618.97 : x
  2. Step 2: Convert to fraction form
    1,143,657.63/1,578,242.48 = 653,618.97/x
  3. Step 3: Cross multiply
    1,143,657.63x = 1,578,242.48 × 653,618.97
  4. Step 4: Simplify right side
    1,143,657.63x = 1,031,569,220,919.75
  5. Step 5: Solve for x
    x = 1,031,569,220,919.75/1,143,657.63
  6. Step 6: Final answer
    x = 901,991.29

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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.