Home / 840,628.48-1,261,312.38-441,175.66

Finding the Fourth Proportional to 840,628.48, 1,261,312.38 and 441,175.66

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Solution

The fourth proportional to 840,628.48, 1,261,312.38 and 441,175.66 is: 661,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,628.48 : 1,261,312.38 = 441,175.66 : x
  2. Step 2: Convert to fraction form
    840,628.48/1,261,312.38 = 441,175.66/x
  3. Step 3: Cross multiply
    840,628.48x = 1,261,312.38 × 441,175.66
  4. Step 4: Simplify right side
    840,628.48x = 556,460,321,712.67
  5. Step 5: Solve for x
    x = 556,460,321,712.67/840,628.48
  6. Step 6: Final answer
    x = 661,957.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.