Home / 858,959.12-1,185,403.04-476,987.40

Finding the Fourth Proportional to 858,959.12, 1,185,403.04 and 476,987.40

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Solution

The fourth proportional to 858,959.12, 1,185,403.04 and 476,987.40 is: 658,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,959.12 : 1,185,403.04 = 476,987.40 : x
  2. Step 2: Convert to fraction form
    858,959.12/1,185,403.04 = 476,987.40/x
  3. Step 3: Cross multiply
    858,959.12x = 1,185,403.04 × 476,987.40
  4. Step 4: Simplify right side
    858,959.12x = 565,422,314,001.70
  5. Step 5: Solve for x
    x = 565,422,314,001.70/858,959.12
  6. Step 6: Final answer
    x = 658,264.52

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Double scale
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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.