Home / 1,215,600.12-1,677,629.16-671,842.05

Finding the Fourth Proportional to 1,215,600.12, 1,677,629.16 and 671,842.05

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Solution

The fourth proportional to 1,215,600.12, 1,677,629.16 and 671,842.05 is: 927,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,600.12 : 1,677,629.16 = 671,842.05 : x
  2. Step 2: Convert to fraction form
    1,215,600.12/1,677,629.16 = 671,842.05/x
  3. Step 3: Cross multiply
    1,215,600.12x = 1,677,629.16 × 671,842.05
  4. Step 4: Simplify right side
    1,215,600.12x = 1,127,101,813,994.18
  5. Step 5: Solve for x
    x = 1,127,101,813,994.18/1,215,600.12
  6. Step 6: Final answer
    x = 927,197.85

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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.