Home / 710,071.70-1,065,107.55-551,441.30

Finding the Fourth Proportional to 710,071.70, 1,065,107.55 and 551,441.30

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Solution

The fourth proportional to 710,071.70, 1,065,107.55 and 551,441.30 is: 827,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,071.70 : 1,065,107.55 = 551,441.30 : x
  2. Step 2: Convert to fraction form
    710,071.70/1,065,107.55 = 551,441.30/x
  3. Step 3: Cross multiply
    710,071.70x = 1,065,107.55 × 551,441.30
  4. Step 4: Simplify right side
    710,071.70x = 587,344,292,011.82
  5. Step 5: Solve for x
    x = 587,344,292,011.82/710,071.70
  6. Step 6: Final answer
    x = 827,161.95

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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.