Home / 1,204,770.72-1,807,707.60-521,866.32

Finding the Fourth Proportional to 1,204,770.72, 1,807,707.60 and 521,866.32

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Solution

The fourth proportional to 1,204,770.72, 1,807,707.60 and 521,866.32 is: 783,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,770.72 : 1,807,707.60 = 521,866.32 : x
  2. Step 2: Convert to fraction form
    1,204,770.72/1,807,707.60 = 521,866.32/x
  3. Step 3: Cross multiply
    1,204,770.72x = 1,807,707.60 × 521,866.32
  4. Step 4: Simplify right side
    1,204,770.72x = 943,381,712,848.03
  5. Step 5: Solve for x
    x = 943,381,712,848.03/1,204,770.72
  6. Step 6: Final answer
    x = 783,038.38

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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.