Home / 942,854.04-1,299,627.99-636,834.42

Finding the Fourth Proportional to 942,854.04, 1,299,627.99 and 636,834.42

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Solution

The fourth proportional to 942,854.04, 1,299,627.99 and 636,834.42 is: 877,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,854.04 : 1,299,627.99 = 636,834.42 : x
  2. Step 2: Convert to fraction form
    942,854.04/1,299,627.99 = 636,834.42/x
  3. Step 3: Cross multiply
    942,854.04x = 1,299,627.99 × 636,834.42
  4. Step 4: Simplify right side
    942,854.04x = 827,647,837,227.42
  5. Step 5: Solve for x
    x = 827,647,837,227.42/942,854.04
  6. Step 6: Final answer
    x = 877,811.20

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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.