Home / 1,095,689.28-1,512,022.20-612,258.40

Finding the Fourth Proportional to 1,095,689.28, 1,512,022.20 and 612,258.40

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Solution

The fourth proportional to 1,095,689.28, 1,512,022.20 and 612,258.40 is: 844,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,689.28 : 1,512,022.20 = 612,258.40 : x
  2. Step 2: Convert to fraction form
    1,095,689.28/1,512,022.20 = 612,258.40/x
  3. Step 3: Cross multiply
    1,095,689.28x = 1,512,022.20 × 612,258.40
  4. Step 4: Simplify right side
    1,095,689.28x = 925,748,284,025.41
  5. Step 5: Solve for x
    x = 925,748,284,025.41/1,095,689.28
  6. Step 6: Final answer
    x = 844,900.38

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Double scale
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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.