Home / 805,236.21-1,111,247.37-437,738.10

Finding the Fourth Proportional to 805,236.21, 1,111,247.37 and 437,738.10

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Solution

The fourth proportional to 805,236.21, 1,111,247.37 and 437,738.10 is: 604,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,236.21 : 1,111,247.37 = 437,738.10 : x
  2. Step 2: Convert to fraction form
    805,236.21/1,111,247.37 = 437,738.10/x
  3. Step 3: Cross multiply
    805,236.21x = 1,111,247.37 × 437,738.10
  4. Step 4: Simplify right side
    805,236.21x = 486,435,312,373.80
  5. Step 5: Solve for x
    x = 486,435,312,373.80/805,236.21
  6. Step 6: Final answer
    x = 604,090.21

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Double scale
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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.