Home / 869,111.40-1,302,111.90-735,364.20

Finding the Fourth Proportional to 869,111.40, 1,302,111.90 and 735,364.20

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Solution

The fourth proportional to 869,111.40, 1,302,111.90 and 735,364.20 is: 1,101,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,111.40 : 1,302,111.90 = 735,364.20 : x
  2. Step 2: Convert to fraction form
    869,111.40/1,302,111.90 = 735,364.20/x
  3. Step 3: Cross multiply
    869,111.40x = 1,302,111.90 × 735,364.20
  4. Step 4: Simplify right side
    869,111.40x = 957,526,475,653.98
  5. Step 5: Solve for x
    x = 957,526,475,653.98/869,111.40
  6. Step 6: Final answer
    x = 1,101,730.43

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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.