Home / 850,322.80-1,173,528.40-635,089.36

Finding the Fourth Proportional to 850,322.80, 1,173,528.40 and 635,089.36

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Solution

The fourth proportional to 850,322.80, 1,173,528.40 and 635,089.36 is: 876,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,322.80 : 1,173,528.40 = 635,089.36 : x
  2. Step 2: Convert to fraction form
    850,322.80/1,173,528.40 = 635,089.36/x
  3. Step 3: Cross multiply
    850,322.80x = 1,173,528.40 × 635,089.36
  4. Step 4: Simplify right side
    850,322.80x = 745,295,400,497.82
  5. Step 5: Solve for x
    x = 745,295,400,497.82/850,322.80
  6. Step 6: Final answer
    x = 876,485.26

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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.