Home / 627,971.52-865,686.24-476,806.08

Finding the Fourth Proportional to 627,971.52, 865,686.24 and 476,806.08

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Solution

The fourth proportional to 627,971.52, 865,686.24 and 476,806.08 is: 657,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,971.52 : 865,686.24 = 476,806.08 : x
  2. Step 2: Convert to fraction form
    627,971.52/865,686.24 = 476,806.08/x
  3. Step 3: Cross multiply
    627,971.52x = 865,686.24 × 476,806.08
  4. Step 4: Simplify right side
    627,971.52x = 412,764,462,604.34
  5. Step 5: Solve for x
    x = 412,764,462,604.34/627,971.52
  6. Step 6: Final answer
    x = 657,298.06

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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.