Home / 627,048-865,574.24-436,172.16

Finding the Fourth Proportional to 627,048, 865,574.24 and 436,172.16

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Solution

The fourth proportional to 627,048, 865,574.24 and 436,172.16 is: 602,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,048 : 865,574.24 = 436,172.16 : x
  2. Step 2: Convert to fraction form
    627,048/865,574.24 = 436,172.16/x
  3. Step 3: Cross multiply
    627,048x = 865,574.24 × 436,172.16
  4. Step 4: Simplify right side
    627,048x = 377,539,385,901.16
  5. Step 5: Solve for x
    x = 377,539,385,901.16/627,048
  6. Step 6: Final answer
    x = 602,090.09

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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.