Home / 899,434.70-1,349,540.85-456,202.70

Finding the Fourth Proportional to 899,434.70, 1,349,540.85 and 456,202.70

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Solution

The fourth proportional to 899,434.70, 1,349,540.85 and 456,202.70 is: 684,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,434.70 : 1,349,540.85 = 456,202.70 : x
  2. Step 2: Convert to fraction form
    899,434.70/1,349,540.85 = 456,202.70/x
  3. Step 3: Cross multiply
    899,434.70x = 1,349,540.85 × 456,202.70
  4. Step 4: Simplify right side
    899,434.70x = 615,664,179,530.30
  5. Step 5: Solve for x
    x = 615,664,179,530.30/899,434.70
  6. Step 6: Final answer
    x = 684,501.25

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Double scale
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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.