Home / 710,338.48-1,065,928.08-261,374.62

Finding the Fourth Proportional to 710,338.48, 1,065,928.08 and 261,374.62

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Solution

The fourth proportional to 710,338.48, 1,065,928.08 and 261,374.62 is: 392,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,338.48 : 1,065,928.08 = 261,374.62 : x
  2. Step 2: Convert to fraction form
    710,338.48/1,065,928.08 = 261,374.62/x
  3. Step 3: Cross multiply
    710,338.48x = 1,065,928.08 × 261,374.62
  4. Step 4: Simplify right side
    710,338.48x = 278,606,551,834.72
  5. Step 5: Solve for x
    x = 278,606,551,834.72/710,338.48
  6. Step 6: Final answer
    x = 392,216.61

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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.