Home / 885,386.40-1,327,906.80-294,410.40

Finding the Fourth Proportional to 885,386.40, 1,327,906.80 and 294,410.40

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Solution

The fourth proportional to 885,386.40, 1,327,906.80 and 294,410.40 is: 441,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,386.40 : 1,327,906.80 = 294,410.40 : x
  2. Step 2: Convert to fraction form
    885,386.40/1,327,906.80 = 294,410.40/x
  3. Step 3: Cross multiply
    885,386.40x = 1,327,906.80 × 294,410.40
  4. Step 4: Simplify right side
    885,386.40x = 390,949,572,150.72
  5. Step 5: Solve for x
    x = 390,949,572,150.72/885,386.40
  6. Step 6: Final answer
    x = 441,558.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.