Home / 1,291,702.35-1,937,989.10-571,945.79

Finding the Fourth Proportional to 1,291,702.35, 1,937,989.10 and 571,945.79

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Solution

The fourth proportional to 1,291,702.35, 1,937,989.10 and 571,945.79 is: 858,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,702.35 : 1,937,989.10 = 571,945.79 : x
  2. Step 2: Convert to fraction form
    1,291,702.35/1,937,989.10 = 571,945.79/x
  3. Step 3: Cross multiply
    1,291,702.35x = 1,937,989.10 × 571,945.79
  4. Step 4: Simplify right side
    1,291,702.35x = 1,108,424,694,261.21
  5. Step 5: Solve for x
    x = 1,108,424,694,261.21/1,291,702.35
  6. Step 6: Final answer
    x = 858,111.54

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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.