Home / 828,829.92-1,143,783.65-466,254.06

Finding the Fourth Proportional to 828,829.92, 1,143,783.65 and 466,254.06

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Solution

The fourth proportional to 828,829.92, 1,143,783.65 and 466,254.06 is: 643,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,829.92 : 1,143,783.65 = 466,254.06 : x
  2. Step 2: Convert to fraction form
    828,829.92/1,143,783.65 = 466,254.06/x
  3. Step 3: Cross multiply
    828,829.92x = 1,143,783.65 × 466,254.06
  4. Step 4: Simplify right side
    828,829.92x = 533,293,767,450.57
  5. Step 5: Solve for x
    x = 533,293,767,450.57/828,829.92
  6. Step 6: Final answer
    x = 643,429.68

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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.