Home / 726,208.25-1,001,921.33-519,301.85

Finding the Fourth Proportional to 726,208.25, 1,001,921.33 and 519,301.85

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Solution

The fourth proportional to 726,208.25, 1,001,921.33 and 519,301.85 is: 716,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,208.25 : 1,001,921.33 = 519,301.85 : x
  2. Step 2: Convert to fraction form
    726,208.25/1,001,921.33 = 519,301.85/x
  3. Step 3: Cross multiply
    726,208.25x = 1,001,921.33 × 519,301.85
  4. Step 4: Simplify right side
    726,208.25x = 520,299,596,512.11
  5. Step 5: Solve for x
    x = 520,299,596,512.11/726,208.25
  6. Step 6: Final answer
    x = 716,460.60

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1.5x scale

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.