Home / 865,927.80-1,296,923.40-444,711.60

Finding the Fourth Proportional to 865,927.80, 1,296,923.40 and 444,711.60

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Solution

The fourth proportional to 865,927.80, 1,296,923.40 and 444,711.60 is: 666,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,927.80 : 1,296,923.40 = 444,711.60 : x
  2. Step 2: Convert to fraction form
    865,927.80/1,296,923.40 = 444,711.60/x
  3. Step 3: Cross multiply
    865,927.80x = 1,296,923.40 × 444,711.60
  4. Step 4: Simplify right side
    865,927.80x = 576,756,880,291.44
  5. Step 5: Solve for x
    x = 576,756,880,291.44/865,927.80
  6. Step 6: Final answer
    x = 666,056.55

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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.