Home / 649,456.67-895,667.87-540,921.33

Finding the Fourth Proportional to 649,456.67, 895,667.87 and 540,921.33

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Solution

The fourth proportional to 649,456.67, 895,667.87 and 540,921.33 is: 745,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,456.67 : 895,667.87 = 540,921.33 : x
  2. Step 2: Convert to fraction form
    649,456.67/895,667.87 = 540,921.33/x
  3. Step 3: Cross multiply
    649,456.67x = 895,667.87 × 540,921.33
  4. Step 4: Simplify right side
    649,456.67x = 484,485,852,774.06
  5. Step 5: Solve for x
    x = 484,485,852,774.06/649,456.67
  6. Step 6: Final answer
    x = 745,986.42

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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.