Home / 857,808.40-1,183,917.56-475,958.20

Finding the Fourth Proportional to 857,808.40, 1,183,917.56 and 475,958.20

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Solution

The fourth proportional to 857,808.40, 1,183,917.56 and 475,958.20 is: 656,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,808.40 : 1,183,917.56 = 475,958.20 : x
  2. Step 2: Convert to fraction form
    857,808.40/1,183,917.56 = 475,958.20/x
  3. Step 3: Cross multiply
    857,808.40x = 1,183,917.56 × 475,958.20
  4. Step 4: Simplify right side
    857,808.40x = 563,495,270,805.99
  5. Step 5: Solve for x
    x = 563,495,270,805.99/857,808.40
  6. Step 6: Final answer
    x = 656,901.09

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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.