Home / 905,717.10-1,359,450.45-551,423.10

Finding the Fourth Proportional to 905,717.10, 1,359,450.45 and 551,423.10

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Solution

The fourth proportional to 905,717.10, 1,359,450.45 and 551,423.10 is: 827,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,717.10 : 1,359,450.45 = 551,423.10 : x
  2. Step 2: Convert to fraction form
    905,717.10/1,359,450.45 = 551,423.10/x
  3. Step 3: Cross multiply
    905,717.10x = 1,359,450.45 × 551,423.10
  4. Step 4: Simplify right side
    905,717.10x = 749,632,381,435.40
  5. Step 5: Solve for x
    x = 749,632,381,435.40/905,717.10
  6. Step 6: Final answer
    x = 827,667.25

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Double scale
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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.