Home / 1,407,600.56-2,111,076.12-839,141.12

Finding the Fourth Proportional to 1,407,600.56, 2,111,076.12 and 839,141.12

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Solution

The fourth proportional to 1,407,600.56, 2,111,076.12 and 839,141.12 is: 1,258,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,600.56 : 2,111,076.12 = 839,141.12 : x
  2. Step 2: Convert to fraction form
    1,407,600.56/2,111,076.12 = 839,141.12/x
  3. Step 3: Cross multiply
    1,407,600.56x = 2,111,076.12 × 839,141.12
  4. Step 4: Simplify right side
    1,407,600.56x = 1,771,490,779,742.05
  5. Step 5: Solve for x
    x = 1,771,490,779,742.05/1,407,600.56
  6. Step 6: Final answer
    x = 1,258,518.10

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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.