Home / 646,946.06-892,789.22-375,175.31

Finding the Fourth Proportional to 646,946.06, 892,789.22 and 375,175.31

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Solution

The fourth proportional to 646,946.06, 892,789.22 and 375,175.31 is: 517,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,946.06 : 892,789.22 = 375,175.31 : x
  2. Step 2: Convert to fraction form
    646,946.06/892,789.22 = 375,175.31/x
  3. Step 3: Cross multiply
    646,946.06x = 892,789.22 × 375,175.31
  4. Step 4: Simplify right side
    646,946.06x = 334,952,472,378.16
  5. Step 5: Solve for x
    x = 334,952,472,378.16/646,946.06
  6. Step 6: Final answer
    x = 517,744.05

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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.