Home / 710,351.27-1,065,667.69-261,075.86

Finding the Fourth Proportional to 710,351.27, 1,065,667.69 and 261,075.86

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Solution

The fourth proportional to 710,351.27, 1,065,667.69 and 261,075.86 is: 391,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,351.27 : 1,065,667.69 = 261,075.86 : x
  2. Step 2: Convert to fraction form
    710,351.27/1,065,667.69 = 261,075.86/x
  3. Step 3: Cross multiply
    710,351.27x = 1,065,667.69 × 261,075.86
  4. Step 4: Simplify right side
    710,351.27x = 278,220,107,635.22
  5. Step 5: Solve for x
    x = 278,220,107,635.22/710,351.27
  6. Step 6: Final answer
    x = 391,665.53

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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.