Home / 617,376.32-926,138.40-217,934.72

Finding the Fourth Proportional to 617,376.32, 926,138.40 and 217,934.72

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Solution

The fourth proportional to 617,376.32, 926,138.40 and 217,934.72 is: 326,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,376.32 : 926,138.40 = 217,934.72 : x
  2. Step 2: Convert to fraction form
    617,376.32/926,138.40 = 217,934.72/x
  3. Step 3: Cross multiply
    617,376.32x = 926,138.40 × 217,934.72
  4. Step 4: Simplify right side
    617,376.32x = 201,837,712,885.25
  5. Step 5: Solve for x
    x = 201,837,712,885.25/617,376.32
  6. Step 6: Final answer
    x = 326,928.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.