Home / 916,732.80-1,374,769.80-317,532.60

Finding the Fourth Proportional to 916,732.80, 1,374,769.80 and 317,532.60

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Solution

The fourth proportional to 916,732.80, 1,374,769.80 and 317,532.60 is: 476,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,732.80 : 1,374,769.80 = 317,532.60 : x
  2. Step 2: Convert to fraction form
    916,732.80/1,374,769.80 = 317,532.60/x
  3. Step 3: Cross multiply
    916,732.80x = 1,374,769.80 × 317,532.60
  4. Step 4: Simplify right side
    916,732.80x = 436,534,228,995.48
  5. Step 5: Solve for x
    x = 436,534,228,995.48/916,732.80
  6. Step 6: Final answer
    x = 476,184.80

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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.