Home / 761,408.76-1,141,520.36-376,892.32

Finding the Fourth Proportional to 761,408.76, 1,141,520.36 and 376,892.32

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Solution

The fourth proportional to 761,408.76, 1,141,520.36 and 376,892.32 is: 565,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,408.76 : 1,141,520.36 = 376,892.32 : x
  2. Step 2: Convert to fraction form
    761,408.76/1,141,520.36 = 376,892.32/x
  3. Step 3: Cross multiply
    761,408.76x = 1,141,520.36 × 376,892.32
  4. Step 4: Simplify right side
    761,408.76x = 430,230,256,807.64
  5. Step 5: Solve for x
    x = 430,230,256,807.64/761,408.76
  6. Step 6: Final answer
    x = 565,045.06

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Double scale
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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.