Home / 994,989.50-1,373,122.60-565,342.40

Finding the Fourth Proportional to 994,989.50, 1,373,122.60 and 565,342.40

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Solution

The fourth proportional to 994,989.50, 1,373,122.60 and 565,342.40 is: 780,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,989.50 : 1,373,122.60 = 565,342.40 : x
  2. Step 2: Convert to fraction form
    994,989.50/1,373,122.60 = 565,342.40/x
  3. Step 3: Cross multiply
    994,989.50x = 1,373,122.60 × 565,342.40
  4. Step 4: Simplify right side
    994,989.50x = 776,284,426,178.24
  5. Step 5: Solve for x
    x = 776,284,426,178.24/994,989.50
  6. Step 6: Final answer
    x = 780,193.59

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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.