Home / 627,647.04-944,885.67-571,845.60

Finding the Fourth Proportional to 627,647.04, 944,885.67 and 571,845.60

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Solution

The fourth proportional to 627,647.04, 944,885.67 and 571,845.60 is: 860,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,647.04 : 944,885.67 = 571,845.60 : x
  2. Step 2: Convert to fraction form
    627,647.04/944,885.67 = 571,845.60/x
  3. Step 3: Cross multiply
    627,647.04x = 944,885.67 × 571,845.60
  4. Step 4: Simplify right side
    627,647.04x = 540,328,712,892.55
  5. Step 5: Solve for x
    x = 540,328,712,892.55/627,647.04
  6. Step 6: Final answer
    x = 860,879.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.