Home / 628,916.50-943,363.36-155,601.71

Finding the Fourth Proportional to 628,916.50, 943,363.36 and 155,601.71

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Solution

The fourth proportional to 628,916.50, 943,363.36 and 155,601.71 is: 233,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,916.50 : 943,363.36 = 155,601.71 : x
  2. Step 2: Convert to fraction form
    628,916.50/943,363.36 = 155,601.71/x
  3. Step 3: Cross multiply
    628,916.50x = 943,363.36 × 155,601.71
  4. Step 4: Simplify right side
    628,916.50x = 146,788,950,982.64
  5. Step 5: Solve for x
    x = 146,788,950,982.64/628,916.50
  6. Step 6: Final answer
    x = 233,399.74

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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.