Home / 950,928.48-1,312,273.50-521,207.64

Finding the Fourth Proportional to 950,928.48, 1,312,273.50 and 521,207.64

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Solution

The fourth proportional to 950,928.48, 1,312,273.50 and 521,207.64 is: 719,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,928.48 : 1,312,273.50 = 521,207.64 : x
  2. Step 2: Convert to fraction form
    950,928.48/1,312,273.50 = 521,207.64/x
  3. Step 3: Cross multiply
    950,928.48x = 1,312,273.50 × 521,207.64
  4. Step 4: Simplify right side
    950,928.48x = 683,966,973,969.54
  5. Step 5: Solve for x
    x = 683,966,973,969.54/950,928.48
  6. Step 6: Final answer
    x = 719,262.27

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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.