Home / 662,734.76-914,599.86-376,281.50

Finding the Fourth Proportional to 662,734.76, 914,599.86 and 376,281.50

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Solution

The fourth proportional to 662,734.76, 914,599.86 and 376,281.50 is: 519,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,734.76 : 914,599.86 = 376,281.50 : x
  2. Step 2: Convert to fraction form
    662,734.76/914,599.86 = 376,281.50/x
  3. Step 3: Cross multiply
    662,734.76x = 914,599.86 × 376,281.50
  4. Step 4: Simplify right side
    662,734.76x = 344,147,007,220.59
  5. Step 5: Solve for x
    x = 344,147,007,220.59/662,734.76
  6. Step 6: Final answer
    x = 519,283.17

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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.