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Finding the Fourth Proportional to 1,573,784.76, 2,172,007.26 and 894,823.32

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Solution

The fourth proportional to 1,573,784.76, 2,172,007.26 and 894,823.32 is: 1,234,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,784.76 : 2,172,007.26 = 894,823.32 : x
  2. Step 2: Convert to fraction form
    1,573,784.76/2,172,007.26 = 894,823.32/x
  3. Step 3: Cross multiply
    1,573,784.76x = 2,172,007.26 × 894,823.32
  4. Step 4: Simplify right side
    1,573,784.76x = 1,943,562,747,457.30
  5. Step 5: Solve for x
    x = 1,943,562,747,457.30/1,573,784.76
  6. Step 6: Final answer
    x = 1,234,960.97

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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.