Home / 824,872.84-1,138,268.10-462,234.76

Finding the Fourth Proportional to 824,872.84, 1,138,268.10 and 462,234.76

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Solution

The fourth proportional to 824,872.84, 1,138,268.10 and 462,234.76 is: 637,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,872.84 : 1,138,268.10 = 462,234.76 : x
  2. Step 2: Convert to fraction form
    824,872.84/1,138,268.10 = 462,234.76/x
  3. Step 3: Cross multiply
    824,872.84x = 1,138,268.10 × 462,234.76
  4. Step 4: Simplify right side
    824,872.84x = 526,147,082,019.16
  5. Step 5: Solve for x
    x = 526,147,082,019.16/824,872.84
  6. Step 6: Final answer
    x = 637,852.35

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.