Home / 923,610.06-1,274,603.52-515,698.11

Finding the Fourth Proportional to 923,610.06, 1,274,603.52 and 515,698.11

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Solution

The fourth proportional to 923,610.06, 1,274,603.52 and 515,698.11 is: 711,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,610.06 : 1,274,603.52 = 515,698.11 : x
  2. Step 2: Convert to fraction form
    923,610.06/1,274,603.52 = 515,698.11/x
  3. Step 3: Cross multiply
    923,610.06x = 1,274,603.52 × 515,698.11
  4. Step 4: Simplify right side
    923,610.06x = 657,310,626,263.35
  5. Step 5: Solve for x
    x = 657,310,626,263.35/923,610.06
  6. Step 6: Final answer
    x = 711,675.47

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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.