Home / 917,954.40-1,376,542.80-444,784.80

Finding the Fourth Proportional to 917,954.40, 1,376,542.80 and 444,784.80

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Solution

The fourth proportional to 917,954.40, 1,376,542.80 and 444,784.80 is: 666,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,954.40 : 1,376,542.80 = 444,784.80 : x
  2. Step 2: Convert to fraction form
    917,954.40/1,376,542.80 = 444,784.80/x
  3. Step 3: Cross multiply
    917,954.40x = 1,376,542.80 × 444,784.80
  4. Step 4: Simplify right side
    917,954.40x = 612,265,313,989.44
  5. Step 5: Solve for x
    x = 612,265,313,989.44/917,954.40
  6. Step 6: Final answer
    x = 666,988.81

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1.5x scale

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.