Home / 836,784.84-1,154,770.11-454,811.52

Finding the Fourth Proportional to 836,784.84, 1,154,770.11 and 454,811.52

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Solution

The fourth proportional to 836,784.84, 1,154,770.11 and 454,811.52 is: 627,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,784.84 : 1,154,770.11 = 454,811.52 : x
  2. Step 2: Convert to fraction form
    836,784.84/1,154,770.11 = 454,811.52/x
  3. Step 3: Cross multiply
    836,784.84x = 1,154,770.11 × 454,811.52
  4. Step 4: Simplify right side
    836,784.84x = 525,202,748,979.67
  5. Step 5: Solve for x
    x = 525,202,748,979.67/836,784.84
  6. Step 6: Final answer
    x = 627,643.72

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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.