Home / 753,755.98-1,039,143.98-601,311.56

Finding the Fourth Proportional to 753,755.98, 1,039,143.98 and 601,311.56

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Solution

The fourth proportional to 753,755.98, 1,039,143.98 and 601,311.56 is: 828,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,755.98 : 1,039,143.98 = 601,311.56 : x
  2. Step 2: Convert to fraction form
    753,755.98/1,039,143.98 = 601,311.56/x
  3. Step 3: Cross multiply
    753,755.98x = 1,039,143.98 × 601,311.56
  4. Step 4: Simplify right side
    753,755.98x = 624,849,287,678.41
  5. Step 5: Solve for x
    x = 624,849,287,678.41/753,755.98
  6. Step 6: Final answer
    x = 828,980.87

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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.