Home / 805,764.32-1,112,049.29-461,711.63

Finding the Fourth Proportional to 805,764.32, 1,112,049.29 and 461,711.63

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Solution

The fourth proportional to 805,764.32, 1,112,049.29 and 461,711.63 is: 637,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,764.32 : 1,112,049.29 = 461,711.63 : x
  2. Step 2: Convert to fraction form
    805,764.32/1,112,049.29 = 461,711.63/x
  3. Step 3: Cross multiply
    805,764.32x = 1,112,049.29 × 461,711.63
  4. Step 4: Simplify right side
    805,764.32x = 513,446,082,457.44
  5. Step 5: Solve for x
    x = 513,446,082,457.44/805,764.32
  6. Step 6: Final answer
    x = 637,216.21

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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.