Home / 705,772.04-1,058,518.14-345,788.84

Finding the Fourth Proportional to 705,772.04, 1,058,518.14 and 345,788.84

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Solution

The fourth proportional to 705,772.04, 1,058,518.14 and 345,788.84 is: 518,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,772.04 : 1,058,518.14 = 345,788.84 : x
  2. Step 2: Convert to fraction form
    705,772.04/1,058,518.14 = 345,788.84/x
  3. Step 3: Cross multiply
    705,772.04x = 1,058,518.14 × 345,788.84
  4. Step 4: Simplify right side
    705,772.04x = 366,023,759,749.56
  5. Step 5: Solve for x
    x = 366,023,759,749.56/705,772.04
  6. Step 6: Final answer
    x = 518,614.71

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Double scale
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1.5x scale

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.