Home / 1,038,294.63-1,557,692.59-389,876.12

Finding the Fourth Proportional to 1,038,294.63, 1,557,692.59 and 389,876.12

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Solution

The fourth proportional to 1,038,294.63, 1,557,692.59 and 389,876.12 is: 584,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,294.63 : 1,557,692.59 = 389,876.12 : x
  2. Step 2: Convert to fraction form
    1,038,294.63/1,557,692.59 = 389,876.12/x
  3. Step 3: Cross multiply
    1,038,294.63x = 1,557,692.59 × 389,876.12
  4. Step 4: Simplify right side
    1,038,294.63x = 607,307,143,141.95
  5. Step 5: Solve for x
    x = 607,307,143,141.95/1,038,294.63
  6. Step 6: Final answer
    x = 584,908.30

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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.