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Finding the Fourth Proportional to 994,984, 1,373,115 and 565,336.90

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Solution

The fourth proportional to 994,984, 1,373,115 and 565,336.90 is: 780,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,984 : 1,373,115 = 565,336.90 : x
  2. Step 2: Convert to fraction form
    994,984/1,373,115 = 565,336.90/x
  3. Step 3: Cross multiply
    994,984x = 1,373,115 × 565,336.90
  4. Step 4: Simplify right side
    994,984x = 776,272,577,443.50
  5. Step 5: Solve for x
    x = 776,272,577,443.50/994,984
  6. Step 6: Final answer
    x = 780,185.99

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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.