Home / 1,338,784.07-1,847,065.77-855,627.98

Finding the Fourth Proportional to 1,338,784.07, 1,847,065.77 and 855,627.98

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Solution

The fourth proportional to 1,338,784.07, 1,847,065.77 and 855,627.98 is: 1,180,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,784.07 : 1,847,065.77 = 855,627.98 : x
  2. Step 2: Convert to fraction form
    1,338,784.07/1,847,065.77 = 855,627.98/x
  3. Step 3: Cross multiply
    1,338,784.07x = 1,847,065.77 × 855,627.98
  4. Step 4: Simplify right side
    1,338,784.07x = 1,580,401,144,476.92
  5. Step 5: Solve for x
    x = 1,580,401,144,476.92/1,338,784.07
  6. Step 6: Final answer
    x = 1,180,475.02

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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.