Home / 938,973.23-1,295,784.56-509,253.69

Finding the Fourth Proportional to 938,973.23, 1,295,784.56 and 509,253.69

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Solution

The fourth proportional to 938,973.23, 1,295,784.56 and 509,253.69 is: 702,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,973.23 : 1,295,784.56 = 509,253.69 : x
  2. Step 2: Convert to fraction form
    938,973.23/1,295,784.56 = 509,253.69/x
  3. Step 3: Cross multiply
    938,973.23x = 1,295,784.56 × 509,253.69
  4. Step 4: Simplify right side
    938,973.23x = 659,883,066,078.76
  5. Step 5: Solve for x
    x = 659,883,066,078.76/938,973.23
  6. Step 6: Final answer
    x = 702,770.91

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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.