Home / 1,293,665.08-1,938,352.40-786,692.51

Finding the Fourth Proportional to 1,293,665.08, 1,938,352.40 and 786,692.51

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Solution

The fourth proportional to 1,293,665.08, 1,938,352.40 and 786,692.51 is: 1,178,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,665.08 : 1,938,352.40 = 786,692.51 : x
  2. Step 2: Convert to fraction form
    1,293,665.08/1,938,352.40 = 786,692.51/x
  3. Step 3: Cross multiply
    1,293,665.08x = 1,938,352.40 × 786,692.51
  4. Step 4: Simplify right side
    1,293,665.08x = 1,524,887,307,095.49
  5. Step 5: Solve for x
    x = 1,524,887,307,095.49/1,293,665.08
  6. Step 6: Final answer
    x = 1,178,734.23

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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.