Home / 1,138,270.32-1,570,816.80-622,024.20

Finding the Fourth Proportional to 1,138,270.32, 1,570,816.80 and 622,024.20

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Solution

The fourth proportional to 1,138,270.32, 1,570,816.80 and 622,024.20 is: 858,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,270.32 : 1,570,816.80 = 622,024.20 : x
  2. Step 2: Convert to fraction form
    1,138,270.32/1,570,816.80 = 622,024.20/x
  3. Step 3: Cross multiply
    1,138,270.32x = 1,570,816.80 × 622,024.20
  4. Step 4: Simplify right side
    1,138,270.32x = 977,086,063,366.56
  5. Step 5: Solve for x
    x = 977,086,063,366.56/1,138,270.32
  6. Step 6: Final answer
    x = 858,395.45

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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.