Home / 627,013.32-865,278.18-340,533.48

Finding the Fourth Proportional to 627,013.32, 865,278.18 and 340,533.48

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Solution

The fourth proportional to 627,013.32, 865,278.18 and 340,533.48 is: 469,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,013.32 : 865,278.18 = 340,533.48 : x
  2. Step 2: Convert to fraction form
    627,013.32/865,278.18 = 340,533.48/x
  3. Step 3: Cross multiply
    627,013.32x = 865,278.18 × 340,533.48
  4. Step 4: Simplify right side
    627,013.32x = 294,656,189,803.47
  5. Step 5: Solve for x
    x = 294,656,189,803.47/627,013.32
  6. Step 6: Final answer
    x = 469,936.09

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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.