Home / 934,020.12-1,288,709.94-571,311.48

Finding the Fourth Proportional to 934,020.12, 1,288,709.94 and 571,311.48

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Solution

The fourth proportional to 934,020.12, 1,288,709.94 and 571,311.48 is: 788,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,020.12 : 1,288,709.94 = 571,311.48 : x
  2. Step 2: Convert to fraction form
    934,020.12/1,288,709.94 = 571,311.48/x
  3. Step 3: Cross multiply
    934,020.12x = 1,288,709.94 × 571,311.48
  4. Step 4: Simplify right side
    934,020.12x = 736,254,783,112.11
  5. Step 5: Solve for x
    x = 736,254,783,112.11/934,020.12
  6. Step 6: Final answer
    x = 788,264.37

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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.