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Finding the Fourth Proportional to 1,250,154.63, 1,724,863.39 and 785,058.66

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Solution

The fourth proportional to 1,250,154.63, 1,724,863.39 and 785,058.66 is: 1,083,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,154.63 : 1,724,863.39 = 785,058.66 : x
  2. Step 2: Convert to fraction form
    1,250,154.63/1,724,863.39 = 785,058.66/x
  3. Step 3: Cross multiply
    1,250,154.63x = 1,724,863.39 × 785,058.66
  4. Step 4: Simplify right side
    1,250,154.63x = 1,354,118,941,636.46
  5. Step 5: Solve for x
    x = 1,354,118,941,636.46/1,250,154.63
  6. Step 6: Final answer
    x = 1,083,161.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.