Home / 1,373,102.57-1,894,941.45-761,216.42

Finding the Fourth Proportional to 1,373,102.57, 1,894,941.45 and 761,216.42

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Solution

The fourth proportional to 1,373,102.57, 1,894,941.45 and 761,216.42 is: 1,050,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,102.57 : 1,894,941.45 = 761,216.42 : x
  2. Step 2: Convert to fraction form
    1,373,102.57/1,894,941.45 = 761,216.42/x
  3. Step 3: Cross multiply
    1,373,102.57x = 1,894,941.45 × 761,216.42
  4. Step 4: Simplify right side
    1,373,102.57x = 1,442,460,537,203.90
  5. Step 5: Solve for x
    x = 1,442,460,537,203.90/1,373,102.57
  6. Step 6: Final answer
    x = 1,050,511.87

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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.