Home / 923,184.40-1,384,776.60-425,520.40

Finding the Fourth Proportional to 923,184.40, 1,384,776.60 and 425,520.40

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Solution

The fourth proportional to 923,184.40, 1,384,776.60 and 425,520.40 is: 638,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,184.40 : 1,384,776.60 = 425,520.40 : x
  2. Step 2: Convert to fraction form
    923,184.40/1,384,776.60 = 425,520.40/x
  3. Step 3: Cross multiply
    923,184.40x = 1,384,776.60 × 425,520.40
  4. Step 4: Simplify right side
    923,184.40x = 589,250,692,742.64
  5. Step 5: Solve for x
    x = 589,250,692,742.64/923,184.40
  6. Step 6: Final answer
    x = 638,280.60

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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.