Home / 766,256.42-1,057,434.11-444,153.34

Finding the Fourth Proportional to 766,256.42, 1,057,434.11 and 444,153.34

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Solution

The fourth proportional to 766,256.42, 1,057,434.11 and 444,153.34 is: 612,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,256.42 : 1,057,434.11 = 444,153.34 : x
  2. Step 2: Convert to fraction form
    766,256.42/1,057,434.11 = 444,153.34/x
  3. Step 3: Cross multiply
    766,256.42x = 1,057,434.11 × 444,153.34
  4. Step 4: Simplify right side
    766,256.42x = 469,662,892,553.03
  5. Step 5: Solve for x
    x = 469,662,892,553.03/766,256.42
  6. Step 6: Final answer
    x = 612,931.75

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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.