Home / 858,862.20-1,185,207.06-476,879.16

Finding the Fourth Proportional to 858,862.20, 1,185,207.06 and 476,879.16

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Solution

The fourth proportional to 858,862.20, 1,185,207.06 and 476,879.16 is: 658,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,862.20 : 1,185,207.06 = 476,879.16 : x
  2. Step 2: Convert to fraction form
    858,862.20/1,185,207.06 = 476,879.16/x
  3. Step 3: Cross multiply
    858,862.20x = 1,185,207.06 × 476,879.16
  4. Step 4: Simplify right side
    858,862.20x = 565,200,547,198.87
  5. Step 5: Solve for x
    x = 565,200,547,198.87/858,862.20
  6. Step 6: Final answer
    x = 658,080.59

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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.