Home / 823,604.40-1,136,518.61-456,055.13

Finding the Fourth Proportional to 823,604.40, 1,136,518.61 and 456,055.13

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Solution

The fourth proportional to 823,604.40, 1,136,518.61 and 456,055.13 is: 629,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,604.40 : 1,136,518.61 = 456,055.13 : x
  2. Step 2: Convert to fraction form
    823,604.40/1,136,518.61 = 456,055.13/x
  3. Step 3: Cross multiply
    823,604.40x = 1,136,518.61 × 456,055.13
  4. Step 4: Simplify right side
    823,604.40x = 518,315,134,468.10
  5. Step 5: Solve for x
    x = 518,315,134,468.10/823,604.40
  6. Step 6: Final answer
    x = 629,325.36

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Double scale
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Similar ratio
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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.