Home / 627,047.92-865,574.28-436,172.08

Finding the Fourth Proportional to 627,047.92, 865,574.28 and 436,172.08

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Solution

The fourth proportional to 627,047.92, 865,574.28 and 436,172.08 is: 602,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,047.92 : 865,574.28 = 436,172.08 : x
  2. Step 2: Convert to fraction form
    627,047.92/865,574.28 = 436,172.08/x
  3. Step 3: Cross multiply
    627,047.92x = 865,574.28 × 436,172.08
  4. Step 4: Simplify right side
    627,047.92x = 377,539,334,102.10
  5. Step 5: Solve for x
    x = 377,539,334,102.10/627,047.92
  6. Step 6: Final answer
    x = 602,090.08

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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.