Home / 1,071,222.30-1,478,237.31-587,775.42

Finding the Fourth Proportional to 1,071,222.30, 1,478,237.31 and 587,775.42

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Solution

The fourth proportional to 1,071,222.30, 1,478,237.31 and 587,775.42 is: 811,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,222.30 : 1,478,237.31 = 587,775.42 : x
  2. Step 2: Convert to fraction form
    1,071,222.30/1,478,237.31 = 587,775.42/x
  3. Step 3: Cross multiply
    1,071,222.30x = 1,478,237.31 × 587,775.42
  4. Step 4: Simplify right side
    1,071,222.30x = 868,871,555,744.92
  5. Step 5: Solve for x
    x = 868,871,555,744.92/1,071,222.30
  6. Step 6: Final answer
    x = 811,102.94

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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.