Home / 627,492.15-865,944.54-341,012.16

Finding the Fourth Proportional to 627,492.15, 865,944.54 and 341,012.16

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Solution

The fourth proportional to 627,492.15, 865,944.54 and 341,012.16 is: 470,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,492.15 : 865,944.54 = 341,012.16 : x
  2. Step 2: Convert to fraction form
    627,492.15/865,944.54 = 341,012.16/x
  3. Step 3: Cross multiply
    627,492.15x = 865,944.54 × 341,012.16
  4. Step 4: Simplify right side
    627,492.15x = 295,297,618,025.61
  5. Step 5: Solve for x
    x = 295,297,618,025.61/627,492.15
  6. Step 6: Final answer
    x = 470,599.70

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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.