Home / 1,285,493.52-1,928,368.08-476,094.36

Finding the Fourth Proportional to 1,285,493.52, 1,928,368.08 and 476,094.36

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Solution

The fourth proportional to 1,285,493.52, 1,928,368.08 and 476,094.36 is: 714,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,493.52 : 1,928,368.08 = 476,094.36 : x
  2. Step 2: Convert to fraction form
    1,285,493.52/1,928,368.08 = 476,094.36/x
  3. Step 3: Cross multiply
    1,285,493.52x = 1,928,368.08 × 476,094.36
  4. Step 4: Simplify right side
    1,285,493.52x = 918,085,166,892.03
  5. Step 5: Solve for x
    x = 918,085,166,892.03/1,285,493.52
  6. Step 6: Final answer
    x = 714,188.87

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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.