Home / 828,024.15-1,240,768.71-557,149.14

Finding the Fourth Proportional to 828,024.15, 1,240,768.71 and 557,149.14

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Solution

The fourth proportional to 828,024.15, 1,240,768.71 and 557,149.14 is: 834,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,024.15 : 1,240,768.71 = 557,149.14 : x
  2. Step 2: Convert to fraction form
    828,024.15/1,240,768.71 = 557,149.14/x
  3. Step 3: Cross multiply
    828,024.15x = 1,240,768.71 × 557,149.14
  4. Step 4: Simplify right side
    828,024.15x = 691,293,219,715.41
  5. Step 5: Solve for x
    x = 691,293,219,715.41/828,024.15
  6. Step 6: Final answer
    x = 834,870.84

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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.