Home / 612,056.86-844,584.71-340,107.53

Finding the Fourth Proportional to 612,056.86, 844,584.71 and 340,107.53

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Solution

The fourth proportional to 612,056.86, 844,584.71 and 340,107.53 is: 469,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,056.86 : 844,584.71 = 340,107.53 : x
  2. Step 2: Convert to fraction form
    612,056.86/844,584.71 = 340,107.53/x
  3. Step 3: Cross multiply
    612,056.86x = 844,584.71 × 340,107.53
  4. Step 4: Simplify right side
    612,056.86x = 287,249,613,670.41
  5. Step 5: Solve for x
    x = 287,249,613,670.41/612,056.86
  6. Step 6: Final answer
    x = 469,318.51

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1.5x scale

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.