Home / 676,918.89-933,551.84-418,754.84

Finding the Fourth Proportional to 676,918.89, 933,551.84 and 418,754.84

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Solution

The fourth proportional to 676,918.89, 933,551.84 and 418,754.84 is: 577,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,918.89 : 933,551.84 = 418,754.84 : x
  2. Step 2: Convert to fraction form
    676,918.89/933,551.84 = 418,754.84/x
  3. Step 3: Cross multiply
    676,918.89x = 933,551.84 × 418,754.84
  4. Step 4: Simplify right side
    676,918.89x = 390,929,347,770.03
  5. Step 5: Solve for x
    x = 390,929,347,770.03/676,918.89
  6. Step 6: Final answer
    x = 577,512.84

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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.