Home / 987,587.24-1,362,866.12-552,003.96

Finding the Fourth Proportional to 987,587.24, 1,362,866.12 and 552,003.96

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Solution

The fourth proportional to 987,587.24, 1,362,866.12 and 552,003.96 is: 761,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,587.24 : 1,362,866.12 = 552,003.96 : x
  2. Step 2: Convert to fraction form
    987,587.24/1,362,866.12 = 552,003.96/x
  3. Step 3: Cross multiply
    987,587.24x = 1,362,866.12 × 552,003.96
  4. Step 4: Simplify right side
    987,587.24x = 752,307,495,189.84
  5. Step 5: Solve for x
    x = 752,307,495,189.84/987,587.24
  6. Step 6: Final answer
    x = 761,763.08

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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.