Home / 1,407,599.56-2,111,074.62-839,140.12

Finding the Fourth Proportional to 1,407,599.56, 2,111,074.62 and 839,140.12

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Solution

The fourth proportional to 1,407,599.56, 2,111,074.62 and 839,140.12 is: 1,258,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,599.56 : 2,111,074.62 = 839,140.12 : x
  2. Step 2: Convert to fraction form
    1,407,599.56/2,111,074.62 = 839,140.12/x
  3. Step 3: Cross multiply
    1,407,599.56x = 2,111,074.62 × 839,140.12
  4. Step 4: Simplify right side
    1,407,599.56x = 1,771,487,409,955.75
  5. Step 5: Solve for x
    x = 1,771,487,409,955.75/1,407,599.56
  6. Step 6: Final answer
    x = 1,258,516.60

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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.