Home / 885,376.62-1,221,818.31-482,968.62

Finding the Fourth Proportional to 885,376.62, 1,221,818.31 and 482,968.62

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Solution

The fourth proportional to 885,376.62, 1,221,818.31 and 482,968.62 is: 666,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,376.62 : 1,221,818.31 = 482,968.62 : x
  2. Step 2: Convert to fraction form
    885,376.62/1,221,818.31 = 482,968.62/x
  3. Step 3: Cross multiply
    885,376.62x = 1,221,818.31 × 482,968.62
  4. Step 4: Simplify right side
    885,376.62x = 590,099,903,071.43
  5. Step 5: Solve for x
    x = 590,099,903,071.43/885,376.62
  6. Step 6: Final answer
    x = 666,495.92

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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.