Home / 554,517.04-827,764.40-487,256.80

Finding the Fourth Proportional to 554,517.04, 827,764.40 and 487,256.80

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Solution

The fourth proportional to 554,517.04, 827,764.40 and 487,256.80 is: 727,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,517.04 : 827,764.40 = 487,256.80 : x
  2. Step 2: Convert to fraction form
    554,517.04/827,764.40 = 487,256.80/x
  3. Step 3: Cross multiply
    554,517.04x = 827,764.40 × 487,256.80
  4. Step 4: Simplify right side
    554,517.04x = 403,333,832,697.92
  5. Step 5: Solve for x
    x = 403,333,832,697.92/554,517.04
  6. Step 6: Final answer
    x = 727,360.57

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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.