Home / 961,520.40-1,442,280.60-463,856.40

Finding the Fourth Proportional to 961,520.40, 1,442,280.60 and 463,856.40

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Solution

The fourth proportional to 961,520.40, 1,442,280.60 and 463,856.40 is: 695,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,520.40 : 1,442,280.60 = 463,856.40 : x
  2. Step 2: Convert to fraction form
    961,520.40/1,442,280.60 = 463,856.40/x
  3. Step 3: Cross multiply
    961,520.40x = 1,442,280.60 × 463,856.40
  4. Step 4: Simplify right side
    961,520.40x = 669,011,086,905.84
  5. Step 5: Solve for x
    x = 669,011,086,905.84/961,520.40
  6. Step 6: Final answer
    x = 695,784.60

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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.