Home / 1,008,306.27-1,391,455.80-555,597.27

Finding the Fourth Proportional to 1,008,306.27, 1,391,455.80 and 555,597.27

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Solution

The fourth proportional to 1,008,306.27, 1,391,455.80 and 555,597.27 is: 766,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,306.27 : 1,391,455.80 = 555,597.27 : x
  2. Step 2: Convert to fraction form
    1,008,306.27/1,391,455.80 = 555,597.27/x
  3. Step 3: Cross multiply
    1,008,306.27x = 1,391,455.80 × 555,597.27
  4. Step 4: Simplify right side
    1,008,306.27x = 773,089,043,805.67
  5. Step 5: Solve for x
    x = 773,089,043,805.67/1,008,306.27
  6. Step 6: Final answer
    x = 766,720.46

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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.