Home / 903,416.40-1,355,124.60-238,568.40

Finding the Fourth Proportional to 903,416.40, 1,355,124.60 and 238,568.40

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Solution

The fourth proportional to 903,416.40, 1,355,124.60 and 238,568.40 is: 357,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,416.40 : 1,355,124.60 = 238,568.40 : x
  2. Step 2: Convert to fraction form
    903,416.40/1,355,124.60 = 238,568.40/x
  3. Step 3: Cross multiply
    903,416.40x = 1,355,124.60 × 238,568.40
  4. Step 4: Simplify right side
    903,416.40x = 323,289,907,622.64
  5. Step 5: Solve for x
    x = 323,289,907,622.64/903,416.40
  6. Step 6: Final answer
    x = 357,852.60

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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.