Home / 1,340,241.08-1,849,547.01-728,393.81

Finding the Fourth Proportional to 1,340,241.08, 1,849,547.01 and 728,393.81

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Solution

The fourth proportional to 1,340,241.08, 1,849,547.01 and 728,393.81 is: 1,005,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,241.08 : 1,849,547.01 = 728,393.81 : x
  2. Step 2: Convert to fraction form
    1,340,241.08/1,849,547.01 = 728,393.81/x
  3. Step 3: Cross multiply
    1,340,241.08x = 1,849,547.01 × 728,393.81
  4. Step 4: Simplify right side
    1,340,241.08x = 1,347,198,593,388.01
  5. Step 5: Solve for x
    x = 1,347,198,593,388.01/1,340,241.08
  6. Step 6: Final answer
    x = 1,005,191.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.