Home / 676,486.23-933,197.07-418,280.64

Finding the Fourth Proportional to 676,486.23, 933,197.07 and 418,280.64

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Solution

The fourth proportional to 676,486.23, 933,197.07 and 418,280.64 is: 577,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,486.23 : 933,197.07 = 418,280.64 : x
  2. Step 2: Convert to fraction form
    676,486.23/933,197.07 = 418,280.64/x
  3. Step 3: Cross multiply
    676,486.23x = 933,197.07 × 418,280.64
  4. Step 4: Simplify right side
    676,486.23x = 390,338,267,685.73
  5. Step 5: Solve for x
    x = 390,338,267,685.73/676,486.23
  6. Step 6: Final answer
    x = 577,008.45

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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.