Home / 893,990.49-1,234,215.18-712,119.57

Finding the Fourth Proportional to 893,990.49, 1,234,215.18 and 712,119.57

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Solution

The fourth proportional to 893,990.49, 1,234,215.18 and 712,119.57 is: 983,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,990.49 : 1,234,215.18 = 712,119.57 : x
  2. Step 2: Convert to fraction form
    893,990.49/1,234,215.18 = 712,119.57/x
  3. Step 3: Cross multiply
    893,990.49x = 1,234,215.18 × 712,119.57
  4. Step 4: Simplify right side
    893,990.49x = 878,908,783,269.07
  5. Step 5: Solve for x
    x = 878,908,783,269.07/893,990.49
  6. Step 6: Final answer
    x = 983,129.90

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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.