Home / 994,325.40-1,372,178.45-564,614.55

Finding the Fourth Proportional to 994,325.40, 1,372,178.45 and 564,614.55

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Solution

The fourth proportional to 994,325.40, 1,372,178.45 and 564,614.55 is: 779,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,325.40 : 1,372,178.45 = 564,614.55 : x
  2. Step 2: Convert to fraction form
    994,325.40/1,372,178.45 = 564,614.55/x
  3. Step 3: Cross multiply
    994,325.40x = 1,372,178.45 × 564,614.55
  4. Step 4: Simplify right side
    994,325.40x = 774,751,915,243.38
  5. Step 5: Solve for x
    x = 774,751,915,243.38/994,325.40
  6. Step 6: Final answer
    x = 779,173.41

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1.5x scale

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.