Home / 842,931.12-1,163,667.96-651,511.92

Finding the Fourth Proportional to 842,931.12, 1,163,667.96 and 651,511.92

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Solution

The fourth proportional to 842,931.12, 1,163,667.96 and 651,511.92 is: 899,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,931.12 : 1,163,667.96 = 651,511.92 : x
  2. Step 2: Convert to fraction form
    842,931.12/1,163,667.96 = 651,511.92/x
  3. Step 3: Cross multiply
    842,931.12x = 1,163,667.96 × 651,511.92
  4. Step 4: Simplify right side
    842,931.12x = 758,143,546,862.08
  5. Step 5: Solve for x
    x = 758,143,546,862.08/842,931.12
  6. Step 6: Final answer
    x = 899,413.40

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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.