Home / 781,112.22-1,077,884.01-436,888.51

Finding the Fourth Proportional to 781,112.22, 1,077,884.01 and 436,888.51

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Solution

The fourth proportional to 781,112.22, 1,077,884.01 and 436,888.51 is: 602,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,112.22 : 1,077,884.01 = 436,888.51 : x
  2. Step 2: Convert to fraction form
    781,112.22/1,077,884.01 = 436,888.51/x
  3. Step 3: Cross multiply
    781,112.22x = 1,077,884.01 × 436,888.51
  4. Step 4: Simplify right side
    781,112.22x = 470,915,139,081.73
  5. Step 5: Solve for x
    x = 470,915,139,081.73/781,112.22
  6. Step 6: Final answer
    x = 602,877.70

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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.