Home / 1,330,634.89-1,837,089.90-865,931.56

Finding the Fourth Proportional to 1,330,634.89, 1,837,089.90 and 865,931.56

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Solution

The fourth proportional to 1,330,634.89, 1,837,089.90 and 865,931.56 is: 1,195,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,634.89 : 1,837,089.90 = 865,931.56 : x
  2. Step 2: Convert to fraction form
    1,330,634.89/1,837,089.90 = 865,931.56/x
  3. Step 3: Cross multiply
    1,330,634.89x = 1,837,089.90 × 865,931.56
  4. Step 4: Simplify right side
    1,330,634.89x = 1,590,794,122,967.24
  5. Step 5: Solve for x
    x = 1,590,794,122,967.24/1,330,634.89
  6. Step 6: Final answer
    x = 1,195,515.11

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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.