Home / 676,674.09-933,774.54-386,274.12

Finding the Fourth Proportional to 676,674.09, 933,774.54 and 386,274.12

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Solution

The fourth proportional to 676,674.09, 933,774.54 and 386,274.12 is: 533,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,674.09 : 933,774.54 = 386,274.12 : x
  2. Step 2: Convert to fraction form
    676,674.09/933,774.54 = 386,274.12/x
  3. Step 3: Cross multiply
    676,674.09x = 933,774.54 × 386,274.12
  4. Step 4: Simplify right side
    676,674.09x = 360,692,938,716.91
  5. Step 5: Solve for x
    x = 360,692,938,716.91/676,674.09
  6. Step 6: Final answer
    x = 533,037.90

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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.