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Finding the Fourth Proportional to 1,232,894.61, 1,700,914.01 and 773,741.25

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Solution

The fourth proportional to 1,232,894.61, 1,700,914.01 and 773,741.25 is: 1,067,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,894.61 : 1,700,914.01 = 773,741.25 : x
  2. Step 2: Convert to fraction form
    1,232,894.61/1,700,914.01 = 773,741.25/x
  3. Step 3: Cross multiply
    1,232,894.61x = 1,700,914.01 × 773,741.25
  4. Step 4: Simplify right side
    1,232,894.61x = 1,316,067,328,371.21
  5. Step 5: Solve for x
    x = 1,316,067,328,371.21/1,232,894.61
  6. Step 6: Final answer
    x = 1,067,461.34

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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.