Home / 1,219,595.66-1,831,069.29-620,959.08

Finding the Fourth Proportional to 1,219,595.66, 1,831,069.29 and 620,959.08

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Solution

The fourth proportional to 1,219,595.66, 1,831,069.29 and 620,959.08 is: 932,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,595.66 : 1,831,069.29 = 620,959.08 : x
  2. Step 2: Convert to fraction form
    1,219,595.66/1,831,069.29 = 620,959.08/x
  3. Step 3: Cross multiply
    1,219,595.66x = 1,831,069.29 × 620,959.08
  4. Step 4: Simplify right side
    1,219,595.66x = 1,137,019,100,182.26
  5. Step 5: Solve for x
    x = 1,137,019,100,182.26/1,219,595.66
  6. Step 6: Final answer
    x = 932,291.86

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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.