Home / 814,576.35-1,124,061.33-451,977.21

Finding the Fourth Proportional to 814,576.35, 1,124,061.33 and 451,977.21

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Solution

The fourth proportional to 814,576.35, 1,124,061.33 and 451,977.21 is: 623,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,576.35 : 1,124,061.33 = 451,977.21 : x
  2. Step 2: Convert to fraction form
    814,576.35/1,124,061.33 = 451,977.21/x
  3. Step 3: Cross multiply
    814,576.35x = 1,124,061.33 × 451,977.21
  4. Step 4: Simplify right side
    814,576.35x = 508,050,103,802.29
  5. Step 5: Solve for x
    x = 508,050,103,802.29/814,576.35
  6. Step 6: Final answer
    x = 623,698.57

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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.