Home / 808,345.89-1,115,516.88-464,204.34

Finding the Fourth Proportional to 808,345.89, 1,115,516.88 and 464,204.34

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Solution

The fourth proportional to 808,345.89, 1,115,516.88 and 464,204.34 is: 640,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,345.89 : 1,115,516.88 = 464,204.34 : x
  2. Step 2: Convert to fraction form
    808,345.89/1,115,516.88 = 464,204.34/x
  3. Step 3: Cross multiply
    808,345.89x = 1,115,516.88 × 464,204.34
  4. Step 4: Simplify right side
    808,345.89x = 517,827,777,039.26
  5. Step 5: Solve for x
    x = 517,827,777,039.26/808,345.89
  6. Step 6: Final answer
    x = 640,601.73

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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.