Home / 1,151,895.04-1,728,111.84-393,742.36

Finding the Fourth Proportional to 1,151,895.04, 1,728,111.84 and 393,742.36

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Solution

The fourth proportional to 1,151,895.04, 1,728,111.84 and 393,742.36 is: 590,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,895.04 : 1,728,111.84 = 393,742.36 : x
  2. Step 2: Convert to fraction form
    1,151,895.04/1,728,111.84 = 393,742.36/x
  3. Step 3: Cross multiply
    1,151,895.04x = 1,728,111.84 × 393,742.36
  4. Step 4: Simplify right side
    1,151,895.04x = 680,430,834,225.54
  5. Step 5: Solve for x
    x = 680,430,834,225.54/1,151,895.04
  6. Step 6: Final answer
    x = 590,705.59

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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.