Home / 956,823.60-1,435,235.40-388,203.60

Finding the Fourth Proportional to 956,823.60, 1,435,235.40 and 388,203.60

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Solution

The fourth proportional to 956,823.60, 1,435,235.40 and 388,203.60 is: 582,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,823.60 : 1,435,235.40 = 388,203.60 : x
  2. Step 2: Convert to fraction form
    956,823.60/1,435,235.40 = 388,203.60/x
  3. Step 3: Cross multiply
    956,823.60x = 1,435,235.40 × 388,203.60
  4. Step 4: Simplify right side
    956,823.60x = 557,163,549,127.44
  5. Step 5: Solve for x
    x = 557,163,549,127.44/956,823.60
  6. Step 6: Final answer
    x = 582,305.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.