Home / 676,485.73-933,196.38-418,280.14

Finding the Fourth Proportional to 676,485.73, 933,196.38 and 418,280.14

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Solution

The fourth proportional to 676,485.73, 933,196.38 and 418,280.14 is: 577,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,485.73 : 933,196.38 = 418,280.14 : x
  2. Step 2: Convert to fraction form
    676,485.73/933,196.38 = 418,280.14/x
  3. Step 3: Cross multiply
    676,485.73x = 933,196.38 × 418,280.14
  4. Step 4: Simplify right side
    676,485.73x = 390,337,512,473.89
  5. Step 5: Solve for x
    x = 390,337,512,473.89/676,485.73
  6. Step 6: Final answer
    x = 577,007.76

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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.