Home / 1,223,999.98-1,689,158.01-672,705.69

Finding the Fourth Proportional to 1,223,999.98, 1,689,158.01 and 672,705.69

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Solution

The fourth proportional to 1,223,999.98, 1,689,158.01 and 672,705.69 is: 928,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,999.98 : 1,689,158.01 = 672,705.69 : x
  2. Step 2: Convert to fraction form
    1,223,999.98/1,689,158.01 = 672,705.69/x
  3. Step 3: Cross multiply
    1,223,999.98x = 1,689,158.01 × 672,705.69
  4. Step 4: Simplify right side
    1,223,999.98x = 1,136,306,196,190.29
  5. Step 5: Solve for x
    x = 1,136,306,196,190.29/1,223,999.98
  6. Step 6: Final answer
    x = 928,354.75

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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.