Home / 740,853.98-1,022,376.28-418,563.96

Finding the Fourth Proportional to 740,853.98, 1,022,376.28 and 418,563.96

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Solution

The fourth proportional to 740,853.98, 1,022,376.28 and 418,563.96 is: 577,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,853.98 : 1,022,376.28 = 418,563.96 : x
  2. Step 2: Convert to fraction form
    740,853.98/1,022,376.28 = 418,563.96/x
  3. Step 3: Cross multiply
    740,853.98x = 1,022,376.28 × 418,563.96
  4. Step 4: Simplify right side
    740,853.98x = 427,929,864,366.87
  5. Step 5: Solve for x
    x = 427,929,864,366.87/740,853.98
  6. Step 6: Final answer
    x = 577,617.01

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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.