Home / 963,163.79-1,329,162.70-555,263.69

Finding the Fourth Proportional to 963,163.79, 1,329,162.70 and 555,263.69

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Solution

The fourth proportional to 963,163.79, 1,329,162.70 and 555,263.69 is: 766,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,163.79 : 1,329,162.70 = 555,263.69 : x
  2. Step 2: Convert to fraction form
    963,163.79/1,329,162.70 = 555,263.69/x
  3. Step 3: Cross multiply
    963,163.79x = 1,329,162.70 × 555,263.69
  4. Step 4: Simplify right side
    963,163.79x = 738,035,778,419.51
  5. Step 5: Solve for x
    x = 738,035,778,419.51/963,163.79
  6. Step 6: Final answer
    x = 766,261.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.