Home / 752,519.48-1,038,440.56-430,265

Finding the Fourth Proportional to 752,519.48, 1,038,440.56 and 430,265

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Solution

The fourth proportional to 752,519.48, 1,038,440.56 and 430,265 is: 593,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,519.48 : 1,038,440.56 = 430,265 : x
  2. Step 2: Convert to fraction form
    752,519.48/1,038,440.56 = 430,265/x
  3. Step 3: Cross multiply
    752,519.48x = 1,038,440.56 × 430,265
  4. Step 4: Simplify right side
    752,519.48x = 446,804,627,548.40
  5. Step 5: Solve for x
    x = 446,804,627,548.40/752,519.48
  6. Step 6: Final answer
    x = 593,744.93

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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.