Home / 705,385.20-1,058,077.80-701,448.60

Finding the Fourth Proportional to 705,385.20, 1,058,077.80 and 701,448.60

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Solution

The fourth proportional to 705,385.20, 1,058,077.80 and 701,448.60 is: 1,052,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,385.20 : 1,058,077.80 = 701,448.60 : x
  2. Step 2: Convert to fraction form
    705,385.20/1,058,077.80 = 701,448.60/x
  3. Step 3: Cross multiply
    705,385.20x = 1,058,077.80 × 701,448.60
  4. Step 4: Simplify right side
    705,385.20x = 742,187,191,501.08
  5. Step 5: Solve for x
    x = 742,187,191,501.08/705,385.20
  6. Step 6: Final answer
    x = 1,052,172.90

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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.