Home / 823,552.02-1,135,476.90-630,199.35

Finding the Fourth Proportional to 823,552.02, 1,135,476.90 and 630,199.35

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Solution

The fourth proportional to 823,552.02, 1,135,476.90 and 630,199.35 is: 868,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,552.02 : 1,135,476.90 = 630,199.35 : x
  2. Step 2: Convert to fraction form
    823,552.02/1,135,476.90 = 630,199.35/x
  3. Step 3: Cross multiply
    823,552.02x = 1,135,476.90 × 630,199.35
  4. Step 4: Simplify right side
    823,552.02x = 715,576,804,320.02
  5. Step 5: Solve for x
    x = 715,576,804,320.02/823,552.02
  6. Step 6: Final answer
    x = 868,890.84

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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.