Home / 698,683.60-1,048,025.40-255,624.40

Finding the Fourth Proportional to 698,683.60, 1,048,025.40 and 255,624.40

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Solution

The fourth proportional to 698,683.60, 1,048,025.40 and 255,624.40 is: 383,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,683.60 : 1,048,025.40 = 255,624.40 : x
  2. Step 2: Convert to fraction form
    698,683.60/1,048,025.40 = 255,624.40/x
  3. Step 3: Cross multiply
    698,683.60x = 1,048,025.40 × 255,624.40
  4. Step 4: Simplify right side
    698,683.60x = 267,900,864,059.76
  5. Step 5: Solve for x
    x = 267,900,864,059.76/698,683.60
  6. Step 6: Final answer
    x = 383,436.60

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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.