Home / 1,407,985.56-2,111,764.50-461,335.32

Finding the Fourth Proportional to 1,407,985.56, 2,111,764.50 and 461,335.32

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Solution

The fourth proportional to 1,407,985.56, 2,111,764.50 and 461,335.32 is: 691,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,985.56 : 2,111,764.50 = 461,335.32 : x
  2. Step 2: Convert to fraction form
    1,407,985.56/2,111,764.50 = 461,335.32/x
  3. Step 3: Cross multiply
    1,407,985.56x = 2,111,764.50 × 461,335.32
  4. Step 4: Simplify right side
    1,407,985.56x = 974,231,551,372.14
  5. Step 5: Solve for x
    x = 974,231,551,372.14/1,407,985.56
  6. Step 6: Final answer
    x = 691,932.91

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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.