Home / 828,560.38-1,242,337.40-540,585.94

Finding the Fourth Proportional to 828,560.38, 1,242,337.40 and 540,585.94

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Solution

The fourth proportional to 828,560.38, 1,242,337.40 and 540,585.94 is: 810,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,560.38 : 1,242,337.40 = 540,585.94 : x
  2. Step 2: Convert to fraction form
    828,560.38/1,242,337.40 = 540,585.94/x
  3. Step 3: Cross multiply
    828,560.38x = 1,242,337.40 × 540,585.94
  4. Step 4: Simplify right side
    828,560.38x = 671,590,126,315.93
  5. Step 5: Solve for x
    x = 671,590,126,315.93/828,560.38
  6. Step 6: Final answer
    x = 810,550.62

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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.