Home / 1,083,763.20-1,625,644.80-705,849.60

Finding the Fourth Proportional to 1,083,763.20, 1,625,644.80 and 705,849.60

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Solution

The fourth proportional to 1,083,763.20, 1,625,644.80 and 705,849.60 is: 1,058,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,763.20 : 1,625,644.80 = 705,849.60 : x
  2. Step 2: Convert to fraction form
    1,083,763.20/1,625,644.80 = 705,849.60/x
  3. Step 3: Cross multiply
    1,083,763.20x = 1,625,644.80 × 705,849.60
  4. Step 4: Simplify right side
    1,083,763.20x = 1,147,460,731,822.08
  5. Step 5: Solve for x
    x = 1,147,460,731,822.08/1,083,763.20
  6. Step 6: Final answer
    x = 1,058,774.40

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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.