Home / 887,257.60-1,330,886.40-607,321.60

Finding the Fourth Proportional to 887,257.60, 1,330,886.40 and 607,321.60

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Solution

The fourth proportional to 887,257.60, 1,330,886.40 and 607,321.60 is: 910,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,257.60 : 1,330,886.40 = 607,321.60 : x
  2. Step 2: Convert to fraction form
    887,257.60/1,330,886.40 = 607,321.60/x
  3. Step 3: Cross multiply
    887,257.60x = 1,330,886.40 × 607,321.60
  4. Step 4: Simplify right side
    887,257.60x = 808,276,057,866.24
  5. Step 5: Solve for x
    x = 808,276,057,866.24/887,257.60
  6. Step 6: Final answer
    x = 910,982.40

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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.