Home / 742,892.98-1,025,196.41-403,361.24

Finding the Fourth Proportional to 742,892.98, 1,025,196.41 and 403,361.24

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Solution

The fourth proportional to 742,892.98, 1,025,196.41 and 403,361.24 is: 556,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,892.98 : 1,025,196.41 = 403,361.24 : x
  2. Step 2: Convert to fraction form
    742,892.98/1,025,196.41 = 403,361.24/x
  3. Step 3: Cross multiply
    742,892.98x = 1,025,196.41 × 403,361.24
  4. Step 4: Simplify right side
    742,892.98x = 413,524,495,181.15
  5. Step 5: Solve for x
    x = 413,524,495,181.15/742,892.98
  6. Step 6: Final answer
    x = 556,640.74

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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.