Home / 1,076,143.50-1,484,947.98-617,234.40

Finding the Fourth Proportional to 1,076,143.50, 1,484,947.98 and 617,234.40

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Solution

The fourth proportional to 1,076,143.50, 1,484,947.98 and 617,234.40 is: 851,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,143.50 : 1,484,947.98 = 617,234.40 : x
  2. Step 2: Convert to fraction form
    1,076,143.50/1,484,947.98 = 617,234.40/x
  3. Step 3: Cross multiply
    1,076,143.50x = 1,484,947.98 × 617,234.40
  4. Step 4: Simplify right side
    1,076,143.50x = 916,560,975,466.51
  5. Step 5: Solve for x
    x = 916,560,975,466.51/1,076,143.50
  6. Step 6: Final answer
    x = 851,708.88

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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.