Home / 1,271,505.94-1,754,670.85-698,533.78

Finding the Fourth Proportional to 1,271,505.94, 1,754,670.85 and 698,533.78

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Solution

The fourth proportional to 1,271,505.94, 1,754,670.85 and 698,533.78 is: 963,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,505.94 : 1,754,670.85 = 698,533.78 : x
  2. Step 2: Convert to fraction form
    1,271,505.94/1,754,670.85 = 698,533.78/x
  3. Step 3: Cross multiply
    1,271,505.94x = 1,754,670.85 × 698,533.78
  4. Step 4: Simplify right side
    1,271,505.94x = 1,225,696,861,506.31
  5. Step 5: Solve for x
    x = 1,225,696,861,506.31/1,271,505.94
  6. Step 6: Final answer
    x = 963,972.58

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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.