Home / 683,458.08-943,168.38-377,555.46

Finding the Fourth Proportional to 683,458.08, 943,168.38 and 377,555.46

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Solution

The fourth proportional to 683,458.08, 943,168.38 and 377,555.46 is: 521,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,458.08 : 943,168.38 = 377,555.46 : x
  2. Step 2: Convert to fraction form
    683,458.08/943,168.38 = 377,555.46/x
  3. Step 3: Cross multiply
    683,458.08x = 943,168.38 × 377,555.46
  4. Step 4: Simplify right side
    683,458.08x = 356,098,371,568.36
  5. Step 5: Solve for x
    x = 356,098,371,568.36/683,458.08
  6. Step 6: Final answer
    x = 521,024.45

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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.