Home / 676,484.34-933,555.25-408,160.50

Finding the Fourth Proportional to 676,484.34, 933,555.25 and 408,160.50

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Solution

The fourth proportional to 676,484.34, 933,555.25 and 408,160.50 is: 563,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,484.34 : 933,555.25 = 408,160.50 : x
  2. Step 2: Convert to fraction form
    676,484.34/933,555.25 = 408,160.50/x
  3. Step 3: Cross multiply
    676,484.34x = 933,555.25 × 408,160.50
  4. Step 4: Simplify right side
    676,484.34x = 381,040,377,617.63
  5. Step 5: Solve for x
    x = 381,040,377,617.63/676,484.34
  6. Step 6: Final answer
    x = 563,265.63

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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.