Home / 759,615.40-1,137,892.20-474,430.60

Finding the Fourth Proportional to 759,615.40, 1,137,892.20 and 474,430.60

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Solution

The fourth proportional to 759,615.40, 1,137,892.20 and 474,430.60 is: 710,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,615.40 : 1,137,892.20 = 474,430.60 : x
  2. Step 2: Convert to fraction form
    759,615.40/1,137,892.20 = 474,430.60/x
  3. Step 3: Cross multiply
    759,615.40x = 1,137,892.20 × 474,430.60
  4. Step 4: Simplify right side
    759,615.40x = 539,850,879,181.32
  5. Step 5: Solve for x
    x = 539,850,879,181.32/759,615.40
  6. Step 6: Final answer
    x = 710,689.75

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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.