Home / 808,717.44-1,115,535.54-518,231.22

Finding the Fourth Proportional to 808,717.44, 1,115,535.54 and 518,231.22

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Solution

The fourth proportional to 808,717.44, 1,115,535.54 and 518,231.22 is: 714,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,717.44 : 1,115,535.54 = 518,231.22 : x
  2. Step 2: Convert to fraction form
    808,717.44/1,115,535.54 = 518,231.22/x
  3. Step 3: Cross multiply
    808,717.44x = 1,115,535.54 × 518,231.22
  4. Step 4: Simplify right side
    808,717.44x = 578,105,343,847.56
  5. Step 5: Solve for x
    x = 578,105,343,847.56/808,717.44
  6. Step 6: Final answer
    x = 714,842.19

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Double scale
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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.