Home / 824,707.45-1,138,143.46-462,248.42

Finding the Fourth Proportional to 824,707.45, 1,138,143.46 and 462,248.42

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Solution

The fourth proportional to 824,707.45, 1,138,143.46 and 462,248.42 is: 637,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,707.45 : 1,138,143.46 = 462,248.42 : x
  2. Step 2: Convert to fraction form
    824,707.45/1,138,143.46 = 462,248.42/x
  3. Step 3: Cross multiply
    824,707.45x = 1,138,143.46 × 462,248.42
  4. Step 4: Simplify right side
    824,707.45x = 526,105,015,273.46
  5. Step 5: Solve for x
    x = 526,105,015,273.46/824,707.45
  6. Step 6: Final answer
    x = 637,929.26

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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.