Home / 805,607.13-1,111,767.11-461,509.56

Finding the Fourth Proportional to 805,607.13, 1,111,767.11 and 461,509.56

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Solution

The fourth proportional to 805,607.13, 1,111,767.11 and 461,509.56 is: 636,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,607.13 : 1,111,767.11 = 461,509.56 : x
  2. Step 2: Convert to fraction form
    805,607.13/1,111,767.11 = 461,509.56/x
  3. Step 3: Cross multiply
    805,607.13x = 1,111,767.11 × 461,509.56
  4. Step 4: Simplify right side
    805,607.13x = 513,091,149,181.69
  5. Step 5: Solve for x
    x = 513,091,149,181.69/805,607.13
  6. Step 6: Final answer
    x = 636,899.96

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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.