Home / 1,018,772.32-1,405,878-566,051.68

Finding the Fourth Proportional to 1,018,772.32, 1,405,878 and 566,051.68

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Solution

The fourth proportional to 1,018,772.32, 1,405,878 and 566,051.68 is: 781,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,772.32 : 1,405,878 = 566,051.68 : x
  2. Step 2: Convert to fraction form
    1,018,772.32/1,405,878 = 566,051.68/x
  3. Step 3: Cross multiply
    1,018,772.32x = 1,405,878 × 566,051.68
  4. Step 4: Simplify right side
    1,018,772.32x = 795,799,603,775.04
  5. Step 5: Solve for x
    x = 795,799,603,775.04/1,018,772.32
  6. Step 6: Final answer
    x = 781,135.87

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Double scale
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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.