Home / 748,636.92-1,033,141.50-409,110.84

Finding the Fourth Proportional to 748,636.92, 1,033,141.50 and 409,110.84

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Solution

The fourth proportional to 748,636.92, 1,033,141.50 and 409,110.84 is: 564,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,636.92 : 1,033,141.50 = 409,110.84 : x
  2. Step 2: Convert to fraction form
    748,636.92/1,033,141.50 = 409,110.84/x
  3. Step 3: Cross multiply
    748,636.92x = 1,033,141.50 × 409,110.84
  4. Step 4: Simplify right side
    748,636.92x = 422,669,386,903.86
  5. Step 5: Solve for x
    x = 422,669,386,903.86/748,636.92
  6. Step 6: Final answer
    x = 564,585.28

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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.