Home / 748,942.58-1,033,547.64-426,647.90

Finding the Fourth Proportional to 748,942.58, 1,033,547.64 and 426,647.90

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Solution

The fourth proportional to 748,942.58, 1,033,547.64 and 426,647.90 is: 588,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,942.58 : 1,033,547.64 = 426,647.90 : x
  2. Step 2: Convert to fraction form
    748,942.58/1,033,547.64 = 426,647.90/x
  3. Step 3: Cross multiply
    748,942.58x = 1,033,547.64 × 426,647.90
  4. Step 4: Simplify right side
    748,942.58x = 440,960,930,155.96
  5. Step 5: Solve for x
    x = 440,960,930,155.96/748,942.58
  6. Step 6: Final answer
    x = 588,778.02

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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.