Home / 1,427,122.90-2,139,647.55-585,241.30

Finding the Fourth Proportional to 1,427,122.90, 2,139,647.55 and 585,241.30

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Solution

The fourth proportional to 1,427,122.90, 2,139,647.55 and 585,241.30 is: 877,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,122.90 : 2,139,647.55 = 585,241.30 : x
  2. Step 2: Convert to fraction form
    1,427,122.90/2,139,647.55 = 585,241.30/x
  3. Step 3: Cross multiply
    1,427,122.90x = 2,139,647.55 × 585,241.30
  4. Step 4: Simplify right side
    1,427,122.90x = 1,252,210,113,703.82
  5. Step 5: Solve for x
    x = 1,252,210,113,703.82/1,427,122.90
  6. Step 6: Final answer
    x = 877,436.77

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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.