Home / 836,133.18-1,254,010.56-386,609.10

Finding the Fourth Proportional to 836,133.18, 1,254,010.56 and 386,609.10

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Solution

The fourth proportional to 836,133.18, 1,254,010.56 and 386,609.10 is: 579,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,133.18 : 1,254,010.56 = 386,609.10 : x
  2. Step 2: Convert to fraction form
    836,133.18/1,254,010.56 = 386,609.10/x
  3. Step 3: Cross multiply
    836,133.18x = 1,254,010.56 × 386,609.10
  4. Step 4: Simplify right side
    836,133.18x = 484,811,893,992.10
  5. Step 5: Solve for x
    x = 484,811,893,992.10/836,133.18
  6. Step 6: Final answer
    x = 579,826.16

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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.