Home / 674,203.11-930,403.46-368,283.74

Finding the Fourth Proportional to 674,203.11, 930,403.46 and 368,283.74

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Solution

The fourth proportional to 674,203.11, 930,403.46 and 368,283.74 is: 508,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,203.11 : 930,403.46 = 368,283.74 : x
  2. Step 2: Convert to fraction form
    674,203.11/930,403.46 = 368,283.74/x
  3. Step 3: Cross multiply
    674,203.11x = 930,403.46 × 368,283.74
  4. Step 4: Simplify right side
    674,203.11x = 342,652,462,226.43
  5. Step 5: Solve for x
    x = 342,652,462,226.43/674,203.11
  6. Step 6: Final answer
    x = 508,233.29

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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.