Home / 1,317,662.92-1,818,326.10-714,037.96

Finding the Fourth Proportional to 1,317,662.92, 1,818,326.10 and 714,037.96

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Solution

The fourth proportional to 1,317,662.92, 1,818,326.10 and 714,037.96 is: 985,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,662.92 : 1,818,326.10 = 714,037.96 : x
  2. Step 2: Convert to fraction form
    1,317,662.92/1,818,326.10 = 714,037.96/x
  3. Step 3: Cross multiply
    1,317,662.92x = 1,818,326.10 × 714,037.96
  4. Step 4: Simplify right side
    1,317,662.92x = 1,298,353,859,058.76
  5. Step 5: Solve for x
    x = 1,298,353,859,058.76/1,317,662.92
  6. Step 6: Final answer
    x = 985,345.98

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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.