Home / 1,205,226.60-1,808,556.70-457,348.20

Finding the Fourth Proportional to 1,205,226.60, 1,808,556.70 and 457,348.20

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Solution

The fourth proportional to 1,205,226.60, 1,808,556.70 and 457,348.20 is: 686,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,226.60 : 1,808,556.70 = 457,348.20 : x
  2. Step 2: Convert to fraction form
    1,205,226.60/1,808,556.70 = 457,348.20/x
  3. Step 3: Cross multiply
    1,205,226.60x = 1,808,556.70 × 457,348.20
  4. Step 4: Simplify right side
    1,205,226.60x = 827,140,151,342.94
  5. Step 5: Solve for x
    x = 827,140,151,342.94/1,205,226.60
  6. Step 6: Final answer
    x = 686,294.30

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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.