Home / 997,728.13-1,376,774.49-562,216.39

Finding the Fourth Proportional to 997,728.13, 1,376,774.49 and 562,216.39

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Solution

The fourth proportional to 997,728.13, 1,376,774.49 and 562,216.39 is: 775,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,728.13 : 1,376,774.49 = 562,216.39 : x
  2. Step 2: Convert to fraction form
    997,728.13/1,376,774.49 = 562,216.39/x
  3. Step 3: Cross multiply
    997,728.13x = 1,376,774.49 × 562,216.39
  4. Step 4: Simplify right side
    997,728.13x = 774,045,183,611.89
  5. Step 5: Solve for x
    x = 774,045,183,611.89/997,728.13
  6. Step 6: Final answer
    x = 775,807.72

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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.