Home / 1,236,983.40-1,855,647.90-527,005.80

Finding the Fourth Proportional to 1,236,983.40, 1,855,647.90 and 527,005.80

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Solution

The fourth proportional to 1,236,983.40, 1,855,647.90 and 527,005.80 is: 790,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,983.40 : 1,855,647.90 = 527,005.80 : x
  2. Step 2: Convert to fraction form
    1,236,983.40/1,855,647.90 = 527,005.80/x
  3. Step 3: Cross multiply
    1,236,983.40x = 1,855,647.90 × 527,005.80
  4. Step 4: Simplify right side
    1,236,983.40x = 977,937,206,057.82
  5. Step 5: Solve for x
    x = 977,937,206,057.82/1,236,983.40
  6. Step 6: Final answer
    x = 790,582.32

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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.