Home / 955,125.78-1,317,953.93-645,701.73

Finding the Fourth Proportional to 955,125.78, 1,317,953.93 and 645,701.73

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Solution

The fourth proportional to 955,125.78, 1,317,953.93 and 645,701.73 is: 890,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,125.78 : 1,317,953.93 = 645,701.73 : x
  2. Step 2: Convert to fraction form
    955,125.78/1,317,953.93 = 645,701.73/x
  3. Step 3: Cross multiply
    955,125.78x = 1,317,953.93 × 645,701.73
  4. Step 4: Simplify right side
    955,125.78x = 851,005,129,432.79
  5. Step 5: Solve for x
    x = 851,005,129,432.79/955,125.78
  6. Step 6: Final answer
    x = 890,987.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.