Home / 1,215,861.84-1,677,837.06-671,969.52

Finding the Fourth Proportional to 1,215,861.84, 1,677,837.06 and 671,969.52

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Solution

The fourth proportional to 1,215,861.84, 1,677,837.06 and 671,969.52 is: 927,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,861.84 : 1,677,837.06 = 671,969.52 : x
  2. Step 2: Convert to fraction form
    1,215,861.84/1,677,837.06 = 671,969.52/x
  3. Step 3: Cross multiply
    1,215,861.84x = 1,677,837.06 × 671,969.52
  4. Step 4: Simplify right side
    1,215,861.84x = 1,127,455,363,846.41
  5. Step 5: Solve for x
    x = 1,127,455,363,846.41/1,215,861.84
  6. Step 6: Final answer
    x = 927,289.04

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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.