Home / 744,108.32-1,116,137.46-323,384.24

Finding the Fourth Proportional to 744,108.32, 1,116,137.46 and 323,384.24

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Solution

The fourth proportional to 744,108.32, 1,116,137.46 and 323,384.24 is: 485,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,108.32 : 1,116,137.46 = 323,384.24 : x
  2. Step 2: Convert to fraction form
    744,108.32/1,116,137.46 = 323,384.24/x
  3. Step 3: Cross multiply
    744,108.32x = 1,116,137.46 × 323,384.24
  4. Step 4: Simplify right side
    744,108.32x = 360,941,264,237.63
  5. Step 5: Solve for x
    x = 360,941,264,237.63/744,108.32
  6. Step 6: Final answer
    x = 485,065.49

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.