Home / 859,629.80-1,185,949.54-496,987.24

Finding the Fourth Proportional to 859,629.80, 1,185,949.54 and 496,987.24

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Solution

The fourth proportional to 859,629.80, 1,185,949.54 and 496,987.24 is: 685,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,629.80 : 1,185,949.54 = 496,987.24 : x
  2. Step 2: Convert to fraction form
    859,629.80/1,185,949.54 = 496,987.24/x
  3. Step 3: Cross multiply
    859,629.80x = 1,185,949.54 × 496,987.24
  4. Step 4: Simplify right side
    859,629.80x = 589,401,788,663.87
  5. Step 5: Solve for x
    x = 589,401,788,663.87/859,629.80
  6. Step 6: Final answer
    x = 685,646.06

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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.