Home / 922,557.40-1,383,827.90-291,471.21

Finding the Fourth Proportional to 922,557.40, 1,383,827.90 and 291,471.21

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Solution

The fourth proportional to 922,557.40, 1,383,827.90 and 291,471.21 is: 437,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,557.40 : 1,383,827.90 = 291,471.21 : x
  2. Step 2: Convert to fraction form
    922,557.40/1,383,827.90 = 291,471.21/x
  3. Step 3: Cross multiply
    922,557.40x = 1,383,827.90 × 291,471.21
  4. Step 4: Simplify right side
    922,557.40x = 403,345,990,987.40
  5. Step 5: Solve for x
    x = 403,345,990,987.40/922,557.40
  6. Step 6: Final answer
    x = 437,204.22

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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.