Home / 1,340,828.06-2,011,236.87-542,100.02

Finding the Fourth Proportional to 1,340,828.06, 2,011,236.87 and 542,100.02

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Solution

The fourth proportional to 1,340,828.06, 2,011,236.87 and 542,100.02 is: 813,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,828.06 : 2,011,236.87 = 542,100.02 : x
  2. Step 2: Convert to fraction form
    1,340,828.06/2,011,236.87 = 542,100.02/x
  3. Step 3: Cross multiply
    1,340,828.06x = 2,011,236.87 × 542,100.02
  4. Step 4: Simplify right side
    1,340,828.06x = 1,090,291,547,451.74
  5. Step 5: Solve for x
    x = 1,090,291,547,451.74/1,340,828.06
  6. Step 6: Final answer
    x = 813,147.92

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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.