Home / 828,659.86-1,144,676.28-649,632.04

Finding the Fourth Proportional to 828,659.86, 1,144,676.28 and 649,632.04

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Solution

The fourth proportional to 828,659.86, 1,144,676.28 and 649,632.04 is: 897,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,659.86 : 1,144,676.28 = 649,632.04 : x
  2. Step 2: Convert to fraction form
    828,659.86/1,144,676.28 = 649,632.04/x
  3. Step 3: Cross multiply
    828,659.86x = 1,144,676.28 × 649,632.04
  4. Step 4: Simplify right side
    828,659.86x = 743,618,386,916.01
  5. Step 5: Solve for x
    x = 743,618,386,916.01/828,659.86
  6. Step 6: Final answer
    x = 897,374.69

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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.