Home / 683,545.28-943,288.00-377,641.39

Finding the Fourth Proportional to 683,545.28, 943,288.00 and 377,641.39

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Solution

The fourth proportional to 683,545.28, 943,288.00 and 377,641.39 is: 521,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,545.28 : 943,288.00 = 377,641.39 : x
  2. Step 2: Convert to fraction form
    683,545.28/943,288.00 = 377,641.39/x
  3. Step 3: Cross multiply
    683,545.28x = 943,288.00 × 377,641.39
  4. Step 4: Simplify right side
    683,545.28x = 356,224,590,546.22
  5. Step 5: Solve for x
    x = 356,224,590,546.22/683,545.28
  6. Step 6: Final answer
    x = 521,142.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.