Home / 907,117.82-1,361,517.48-458,153.98

Finding the Fourth Proportional to 907,117.82, 1,361,517.48 and 458,153.98

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Solution

The fourth proportional to 907,117.82, 1,361,517.48 and 458,153.98 is: 687,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,117.82 : 1,361,517.48 = 458,153.98 : x
  2. Step 2: Convert to fraction form
    907,117.82/1,361,517.48 = 458,153.98/x
  3. Step 3: Cross multiply
    907,117.82x = 1,361,517.48 × 458,153.98
  4. Step 4: Simplify right side
    907,117.82x = 623,784,652,301.57
  5. Step 5: Solve for x
    x = 623,784,652,301.57/907,117.82
  6. Step 6: Final answer
    x = 687,655.60

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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.