Home / 843,182.81-1,163,563.28-480,723.41

Finding the Fourth Proportional to 843,182.81, 1,163,563.28 and 480,723.41

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Solution

The fourth proportional to 843,182.81, 1,163,563.28 and 480,723.41 is: 663,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,182.81 : 1,163,563.28 = 480,723.41 : x
  2. Step 2: Convert to fraction form
    843,182.81/1,163,563.28 = 480,723.41/x
  3. Step 3: Cross multiply
    843,182.81x = 1,163,563.28 × 480,723.41
  4. Step 4: Simplify right side
    843,182.81x = 559,352,103,475.35
  5. Step 5: Solve for x
    x = 559,352,103,475.35/843,182.81
  6. Step 6: Final answer
    x = 663,381.76

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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.