Home / 922,101.30-1,383,151.95-638,666.10

Finding the Fourth Proportional to 922,101.30, 1,383,151.95 and 638,666.10

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Solution

The fourth proportional to 922,101.30, 1,383,151.95 and 638,666.10 is: 957,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,101.30 : 1,383,151.95 = 638,666.10 : x
  2. Step 2: Convert to fraction form
    922,101.30/1,383,151.95 = 638,666.10/x
  3. Step 3: Cross multiply
    922,101.30x = 1,383,151.95 × 638,666.10
  4. Step 4: Simplify right side
    922,101.30x = 883,372,261,613.90
  5. Step 5: Solve for x
    x = 883,372,261,613.90/922,101.30
  6. Step 6: Final answer
    x = 957,999.15

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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.