Home / 710,105.70-1,065,158.55-551,475.30

Finding the Fourth Proportional to 710,105.70, 1,065,158.55 and 551,475.30

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Solution

The fourth proportional to 710,105.70, 1,065,158.55 and 551,475.30 is: 827,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,105.70 : 1,065,158.55 = 551,475.30 : x
  2. Step 2: Convert to fraction form
    710,105.70/1,065,158.55 = 551,475.30/x
  3. Step 3: Cross multiply
    710,105.70x = 1,065,158.55 × 551,475.30
  4. Step 4: Simplify right side
    710,105.70x = 587,408,630,908.82
  5. Step 5: Solve for x
    x = 587,408,630,908.82/710,105.70
  6. Step 6: Final answer
    x = 827,212.95

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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.