Home / 1,424,156.96-2,136,584.88-426,884

Finding the Fourth Proportional to 1,424,156.96, 2,136,584.88 and 426,884

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Solution

The fourth proportional to 1,424,156.96, 2,136,584.88 and 426,884 is: 640,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,156.96 : 2,136,584.88 = 426,884 : x
  2. Step 2: Convert to fraction form
    1,424,156.96/2,136,584.88 = 426,884/x
  3. Step 3: Cross multiply
    1,424,156.96x = 2,136,584.88 × 426,884
  4. Step 4: Simplify right side
    1,424,156.96x = 912,073,899,913.92
  5. Step 5: Solve for x
    x = 912,073,899,913.92/1,424,156.96
  6. Step 6: Final answer
    x = 640,430.74

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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.