Home / 623,812.10-936,047.82-442,613.94

Finding the Fourth Proportional to 623,812.10, 936,047.82 and 442,613.94

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Solution

The fourth proportional to 623,812.10, 936,047.82 and 442,613.94 is: 664,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,812.10 : 936,047.82 = 442,613.94 : x
  2. Step 2: Convert to fraction form
    623,812.10/936,047.82 = 442,613.94/x
  3. Step 3: Cross multiply
    623,812.10x = 936,047.82 × 442,613.94
  4. Step 4: Simplify right side
    623,812.10x = 414,307,813,638.61
  5. Step 5: Solve for x
    x = 414,307,813,638.61/623,812.10
  6. Step 6: Final answer
    x = 664,154.82

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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.