Home / 910,442.70-1,256,223.06-523,183.32

Finding the Fourth Proportional to 910,442.70, 1,256,223.06 and 523,183.32

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Solution

The fourth proportional to 910,442.70, 1,256,223.06 and 523,183.32 is: 721,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,442.70 : 1,256,223.06 = 523,183.32 : x
  2. Step 2: Convert to fraction form
    910,442.70/1,256,223.06 = 523,183.32/x
  3. Step 3: Cross multiply
    910,442.70x = 1,256,223.06 × 523,183.32
  4. Step 4: Simplify right side
    910,442.70x = 657,234,951,191.36
  5. Step 5: Solve for x
    x = 657,234,951,191.36/910,442.70
  6. Step 6: Final answer
    x = 721,885.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.