Home / 627,211.46-865,552.56-340,731.74

Finding the Fourth Proportional to 627,211.46, 865,552.56 and 340,731.74

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Solution

The fourth proportional to 627,211.46, 865,552.56 and 340,731.74 is: 470,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,211.46 : 865,552.56 = 340,731.74 : x
  2. Step 2: Convert to fraction form
    627,211.46/865,552.56 = 340,731.74/x
  3. Step 3: Cross multiply
    627,211.46x = 865,552.56 × 340,731.74
  4. Step 4: Simplify right side
    627,211.46x = 294,921,229,830.25
  5. Step 5: Solve for x
    x = 294,921,229,830.25/627,211.46
  6. Step 6: Final answer
    x = 470,210.21

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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.