Home / 554,426.42-827,628.96-487,166.18

Finding the Fourth Proportional to 554,426.42, 827,628.96 and 487,166.18

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Solution

The fourth proportional to 554,426.42, 827,628.96 and 487,166.18 is: 727,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,426.42 : 827,628.96 = 487,166.18 : x
  2. Step 2: Convert to fraction form
    554,426.42/827,628.96 = 487,166.18/x
  3. Step 3: Cross multiply
    554,426.42x = 827,628.96 × 487,166.18
  4. Step 4: Simplify right side
    554,426.42x = 403,192,836,589.30
  5. Step 5: Solve for x
    x = 403,192,836,589.30/554,426.42
  6. Step 6: Final answer
    x = 727,225.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.