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Finding the Fourth Proportional to 1,323,062.45, 1,826,854.64 and 1,016,655.86

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Solution

The fourth proportional to 1,323,062.45, 1,826,854.64 and 1,016,655.86 is: 1,403,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,062.45 : 1,826,854.64 = 1,016,655.86 : x
  2. Step 2: Convert to fraction form
    1,323,062.45/1,826,854.64 = 1,016,655.86/x
  3. Step 3: Cross multiply
    1,323,062.45x = 1,826,854.64 × 1,016,655.86
  4. Step 4: Simplify right side
    1,323,062.45x = 1,857,282,465,285.11
  5. Step 5: Solve for x
    x = 1,857,282,465,285.11/1,323,062.45
  6. Step 6: Final answer
    x = 1,403,775.35

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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.