Home / 828,004.70-1,241,569.65-354,154.70

Finding the Fourth Proportional to 828,004.70, 1,241,569.65 and 354,154.70

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Solution

The fourth proportional to 828,004.70, 1,241,569.65 and 354,154.70 is: 531,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,004.70 : 1,241,569.65 = 354,154.70 : x
  2. Step 2: Convert to fraction form
    828,004.70/1,241,569.65 = 354,154.70/x
  3. Step 3: Cross multiply
    828,004.70x = 1,241,569.65 × 354,154.70
  4. Step 4: Simplify right side
    828,004.70x = 439,707,726,924.86
  5. Step 5: Solve for x
    x = 439,707,726,924.86/828,004.70
  6. Step 6: Final answer
    x = 531,044.96

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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.