Home / 893,698.95-1,233,295.86-665,277.72

Finding the Fourth Proportional to 893,698.95, 1,233,295.86 and 665,277.72

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Solution

The fourth proportional to 893,698.95, 1,233,295.86 and 665,277.72 is: 918,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,698.95 : 1,233,295.86 = 665,277.72 : x
  2. Step 2: Convert to fraction form
    893,698.95/1,233,295.86 = 665,277.72/x
  3. Step 3: Cross multiply
    893,698.95x = 1,233,295.86 × 665,277.72
  4. Step 4: Simplify right side
    893,698.95x = 820,484,257,826.24
  5. Step 5: Solve for x
    x = 820,484,257,826.24/893,698.95
  6. Step 6: Final answer
    x = 918,076.78

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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.