Home / 640,460.58-960,657.93-191,185.17

Finding the Fourth Proportional to 640,460.58, 960,657.93 and 191,185.17

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Solution

The fourth proportional to 640,460.58, 960,657.93 and 191,185.17 is: 286,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,460.58 : 960,657.93 = 191,185.17 : x
  2. Step 2: Convert to fraction form
    640,460.58/960,657.93 = 191,185.17/x
  3. Step 3: Cross multiply
    640,460.58x = 960,657.93 × 191,185.17
  4. Step 4: Simplify right side
    640,460.58x = 183,663,549,658.90
  5. Step 5: Solve for x
    x = 183,663,549,658.90/640,460.58
  6. Step 6: Final answer
    x = 286,767.92

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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.