Home / 824,156.17-1,235,237.80-424,578.96

Finding the Fourth Proportional to 824,156.17, 1,235,237.80 and 424,578.96

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Solution

The fourth proportional to 824,156.17, 1,235,237.80 and 424,578.96 is: 636,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,156.17 : 1,235,237.80 = 424,578.96 : x
  2. Step 2: Convert to fraction form
    824,156.17/1,235,237.80 = 424,578.96/x
  3. Step 3: Cross multiply
    824,156.17x = 1,235,237.80 × 424,578.96
  4. Step 4: Simplify right side
    824,156.17x = 524,455,981,441.89
  5. Step 5: Solve for x
    x = 524,455,981,441.89/824,156.17
  6. Step 6: Final answer
    x = 636,355.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.