Home / 1,127,322.16-1,555,698.80-611,074.06

Finding the Fourth Proportional to 1,127,322.16, 1,555,698.80 and 611,074.06

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Solution

The fourth proportional to 1,127,322.16, 1,555,698.80 and 611,074.06 is: 843,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,322.16 : 1,555,698.80 = 611,074.06 : x
  2. Step 2: Convert to fraction form
    1,127,322.16/1,555,698.80 = 611,074.06/x
  3. Step 3: Cross multiply
    1,127,322.16x = 1,555,698.80 × 611,074.06
  4. Step 4: Simplify right side
    1,127,322.16x = 950,647,181,853.13
  5. Step 5: Solve for x
    x = 950,647,181,853.13/1,127,322.16
  6. Step 6: Final answer
    x = 843,279.07

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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.