Home / 563,031.12-776,998.06-317,996.22

Finding the Fourth Proportional to 563,031.12, 776,998.06 and 317,996.22

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Solution

The fourth proportional to 563,031.12, 776,998.06 and 317,996.22 is: 438,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,031.12 : 776,998.06 = 317,996.22 : x
  2. Step 2: Convert to fraction form
    563,031.12/776,998.06 = 317,996.22/x
  3. Step 3: Cross multiply
    563,031.12x = 776,998.06 × 317,996.22
  4. Step 4: Simplify right side
    563,031.12x = 247,082,446,027.33
  5. Step 5: Solve for x
    x = 247,082,446,027.33/563,031.12
  6. Step 6: Final answer
    x = 438,843.32

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Double scale
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Similar ratio
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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.