Home / 805,784.84-1,111,961.24-456,989.27

Finding the Fourth Proportional to 805,784.84, 1,111,961.24 and 456,989.27

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Solution

The fourth proportional to 805,784.84, 1,111,961.24 and 456,989.27 is: 630,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,784.84 : 1,111,961.24 = 456,989.27 : x
  2. Step 2: Convert to fraction form
    805,784.84/1,111,961.24 = 456,989.27/x
  3. Step 3: Cross multiply
    805,784.84x = 1,111,961.24 × 456,989.27
  4. Step 4: Simplify right side
    805,784.84x = 508,154,355,335.90
  5. Step 5: Solve for x
    x = 508,154,355,335.90/805,784.84
  6. Step 6: Final answer
    x = 630,632.81

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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.