Home / 884,078.60-1,326,117.90-293,102.60

Finding the Fourth Proportional to 884,078.60, 1,326,117.90 and 293,102.60

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Solution

The fourth proportional to 884,078.60, 1,326,117.90 and 293,102.60 is: 439,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,078.60 : 1,326,117.90 = 293,102.60 : x
  2. Step 2: Convert to fraction form
    884,078.60/1,326,117.90 = 293,102.60/x
  3. Step 3: Cross multiply
    884,078.60x = 1,326,117.90 × 293,102.60
  4. Step 4: Simplify right side
    884,078.60x = 388,688,604,396.54
  5. Step 5: Solve for x
    x = 388,688,604,396.54/884,078.60
  6. Step 6: Final answer
    x = 439,653.90

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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.