Home / 838,808.73-1,157,588.78-476,266.32

Finding the Fourth Proportional to 838,808.73, 1,157,588.78 and 476,266.32

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Solution

The fourth proportional to 838,808.73, 1,157,588.78 and 476,266.32 is: 657,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,808.73 : 1,157,588.78 = 476,266.32 : x
  2. Step 2: Convert to fraction form
    838,808.73/1,157,588.78 = 476,266.32/x
  3. Step 3: Cross multiply
    838,808.73x = 1,157,588.78 × 476,266.32
  4. Step 4: Simplify right side
    838,808.73x = 551,320,545,942.56
  5. Step 5: Solve for x
    x = 551,320,545,942.56/838,808.73
  6. Step 6: Final answer
    x = 657,266.10

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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.