Home / 1,107,018.90-1,657,029.15-792,090.90

Finding the Fourth Proportional to 1,107,018.90, 1,657,029.15 and 792,090.90

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Solution

The fourth proportional to 1,107,018.90, 1,657,029.15 and 792,090.90 is: 1,185,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,018.90 : 1,657,029.15 = 792,090.90 : x
  2. Step 2: Convert to fraction form
    1,107,018.90/1,657,029.15 = 792,090.90/x
  3. Step 3: Cross multiply
    1,107,018.90x = 1,657,029.15 × 792,090.90
  4. Step 4: Simplify right side
    1,107,018.90x = 1,312,517,710,749.73
  5. Step 5: Solve for x
    x = 1,312,517,710,749.73/1,107,018.90
  6. Step 6: Final answer
    x = 1,185,632.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.