Home / 676,865.90-933,956.52-386,344.82

Finding the Fourth Proportional to 676,865.90, 933,956.52 and 386,344.82

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Solution

The fourth proportional to 676,865.90, 933,956.52 and 386,344.82 is: 533,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,865.90 : 933,956.52 = 386,344.82 : x
  2. Step 2: Convert to fraction form
    676,865.90/933,956.52 = 386,344.82/x
  3. Step 3: Cross multiply
    676,865.90x = 933,956.52 × 386,344.82
  4. Step 4: Simplify right side
    676,865.90x = 360,829,263,607.23
  5. Step 5: Solve for x
    x = 360,829,263,607.23/676,865.90
  6. Step 6: Final answer
    x = 533,088.26

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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.