Home / 934,245.90-1,401,368.85-916,531.20

Finding the Fourth Proportional to 934,245.90, 1,401,368.85 and 916,531.20

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Solution

The fourth proportional to 934,245.90, 1,401,368.85 and 916,531.20 is: 1,374,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,245.90 : 1,401,368.85 = 916,531.20 : x
  2. Step 2: Convert to fraction form
    934,245.90/1,401,368.85 = 916,531.20/x
  3. Step 3: Cross multiply
    934,245.90x = 1,401,368.85 × 916,531.20
  4. Step 4: Simplify right side
    934,245.90x = 1,284,398,273,733.12
  5. Step 5: Solve for x
    x = 1,284,398,273,733.12/934,245.90
  6. Step 6: Final answer
    x = 1,374,796.80

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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.