Home / 1,319,212.68-1,820,510.22-715,600.68

Finding the Fourth Proportional to 1,319,212.68, 1,820,510.22 and 715,600.68

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Solution

The fourth proportional to 1,319,212.68, 1,820,510.22 and 715,600.68 is: 987,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,212.68 : 1,820,510.22 = 715,600.68 : x
  2. Step 2: Convert to fraction form
    1,319,212.68/1,820,510.22 = 715,600.68/x
  3. Step 3: Cross multiply
    1,319,212.68x = 1,820,510.22 × 715,600.68
  4. Step 4: Simplify right side
    1,319,212.68x = 1,302,758,351,378.95
  5. Step 5: Solve for x
    x = 1,302,758,351,378.95/1,319,212.68
  6. Step 6: Final answer
    x = 987,527.16

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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.