Home / 676,851.64-933,936.87-386,330.56

Finding the Fourth Proportional to 676,851.64, 933,936.87 and 386,330.56

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Solution

The fourth proportional to 676,851.64, 933,936.87 and 386,330.56 is: 533,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,851.64 : 933,936.87 = 386,330.56 : x
  2. Step 2: Convert to fraction form
    676,851.64/933,936.87 = 386,330.56/x
  3. Step 3: Cross multiply
    676,851.64x = 933,936.87 × 386,330.56
  4. Step 4: Simplify right side
    676,851.64x = 360,808,353,991.75
  5. Step 5: Solve for x
    x = 360,808,353,991.75/676,851.64
  6. Step 6: Final answer
    x = 533,068.60

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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.