Home / 430,935.40-646,403.10-244,311.40

Finding the Fourth Proportional to 430,935.40, 646,403.10 and 244,311.40

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Solution

The fourth proportional to 430,935.40, 646,403.10 and 244,311.40 is: 366,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,935.40 : 646,403.10 = 244,311.40 : x
  2. Step 2: Convert to fraction form
    430,935.40/646,403.10 = 244,311.40/x
  3. Step 3: Cross multiply
    430,935.40x = 646,403.10 × 244,311.40
  4. Step 4: Simplify right side
    430,935.40x = 157,923,646,325.34
  5. Step 5: Solve for x
    x = 157,923,646,325.34/430,935.40
  6. Step 6: Final answer
    x = 366,467.10

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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.