Home / 881,300.22-1,216,202.01-478,892.22

Finding the Fourth Proportional to 881,300.22, 1,216,202.01 and 478,892.22

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Solution

The fourth proportional to 881,300.22, 1,216,202.01 and 478,892.22 is: 660,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,300.22 : 1,216,202.01 = 478,892.22 : x
  2. Step 2: Convert to fraction form
    881,300.22/1,216,202.01 = 478,892.22/x
  3. Step 3: Cross multiply
    881,300.22x = 1,216,202.01 × 478,892.22
  4. Step 4: Simplify right side
    881,300.22x = 582,429,680,537.36
  5. Step 5: Solve for x
    x = 582,429,680,537.36/881,300.22
  6. Step 6: Final answer
    x = 660,875.45

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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.