Home / 646,962.94-892,812.40-375,191.97

Finding the Fourth Proportional to 646,962.94, 892,812.40 and 375,191.97

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Solution

The fourth proportional to 646,962.94, 892,812.40 and 375,191.97 is: 517,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,962.94 : 892,812.40 = 375,191.97 : x
  2. Step 2: Convert to fraction form
    646,962.94/892,812.40 = 375,191.97/x
  3. Step 3: Cross multiply
    646,962.94x = 892,812.40 × 375,191.97
  4. Step 4: Simplify right side
    646,962.94x = 334,976,043,196.43
  5. Step 5: Solve for x
    x = 334,976,043,196.43/646,962.94
  6. Step 6: Final answer
    x = 517,766.97

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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.