Home / 705,132.56-1,055,337.24-578,768.40

Finding the Fourth Proportional to 705,132.56, 1,055,337.24 and 578,768.40

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Solution

The fourth proportional to 705,132.56, 1,055,337.24 and 578,768.40 is: 866,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,132.56 : 1,055,337.24 = 578,768.40 : x
  2. Step 2: Convert to fraction form
    705,132.56/1,055,337.24 = 578,768.40/x
  3. Step 3: Cross multiply
    705,132.56x = 1,055,337.24 × 578,768.40
  4. Step 4: Simplify right side
    705,132.56x = 610,795,845,855.22
  5. Step 5: Solve for x
    x = 610,795,845,855.22/705,132.56
  6. Step 6: Final answer
    x = 866,214.21

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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.