Home / 922,543.21-1,383,806.61-291,457.02

Finding the Fourth Proportional to 922,543.21, 1,383,806.61 and 291,457.02

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Solution

The fourth proportional to 922,543.21, 1,383,806.61 and 291,457.02 is: 437,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,543.21 : 1,383,806.61 = 291,457.02 : x
  2. Step 2: Convert to fraction form
    922,543.21/1,383,806.61 = 291,457.02/x
  3. Step 3: Cross multiply
    922,543.21x = 1,383,806.61 × 291,457.02
  4. Step 4: Simplify right side
    922,543.21x = 403,320,150,806.90
  5. Step 5: Solve for x
    x = 403,320,150,806.90/922,543.21
  6. Step 6: Final answer
    x = 437,182.94

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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.