Home / 812,184.17-1,120,827.37-444,655.11

Finding the Fourth Proportional to 812,184.17, 1,120,827.37 and 444,655.11

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Solution

The fourth proportional to 812,184.17, 1,120,827.37 and 444,655.11 is: 613,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,184.17 : 1,120,827.37 = 444,655.11 : x
  2. Step 2: Convert to fraction form
    812,184.17/1,120,827.37 = 444,655.11/x
  3. Step 3: Cross multiply
    812,184.17x = 1,120,827.37 × 444,655.11
  4. Step 4: Simplify right side
    812,184.17x = 498,381,617,498.36
  5. Step 5: Solve for x
    x = 498,381,617,498.36/812,184.17
  6. Step 6: Final answer
    x = 613,631.29

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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.