Home / 913,542.89-1,260,657-505,645.52

Finding the Fourth Proportional to 913,542.89, 1,260,657 and 505,645.52

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Solution

The fourth proportional to 913,542.89, 1,260,657 and 505,645.52 is: 697,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,542.89 : 1,260,657 = 505,645.52 : x
  2. Step 2: Convert to fraction form
    913,542.89/1,260,657 = 505,645.52/x
  3. Step 3: Cross multiply
    913,542.89x = 1,260,657 × 505,645.52
  4. Step 4: Simplify right side
    913,542.89x = 637,445,558,003.36
  5. Step 5: Solve for x
    x = 637,445,558,003.36/913,542.89
  6. Step 6: Final answer
    x = 697,773.00

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Why These Related Problems?

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