Home / 1,410,955.81-1,947,129.54-766,375.83

Finding the Fourth Proportional to 1,410,955.81, 1,947,129.54 and 766,375.83

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Solution

The fourth proportional to 1,410,955.81, 1,947,129.54 and 766,375.83 is: 1,057,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,955.81 : 1,947,129.54 = 766,375.83 : x
  2. Step 2: Convert to fraction form
    1,410,955.81/1,947,129.54 = 766,375.83/x
  3. Step 3: Cross multiply
    1,410,955.81x = 1,947,129.54 × 766,375.83
  4. Step 4: Simplify right side
    1,410,955.81x = 1,492,233,014,461.11
  5. Step 5: Solve for x
    x = 1,492,233,014,461.11/1,410,955.81
  6. Step 6: Final answer
    x = 1,057,604.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.