Home / 1,219,155.03-1,828,736.87-409,516.29

Finding the Fourth Proportional to 1,219,155.03, 1,828,736.87 and 409,516.29

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Solution

The fourth proportional to 1,219,155.03, 1,828,736.87 and 409,516.29 is: 614,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,155.03 : 1,828,736.87 = 409,516.29 : x
  2. Step 2: Convert to fraction form
    1,219,155.03/1,828,736.87 = 409,516.29/x
  3. Step 3: Cross multiply
    1,219,155.03x = 1,828,736.87 × 409,516.29
  4. Step 4: Simplify right side
    1,219,155.03x = 748,897,533,347.32
  5. Step 5: Solve for x
    x = 748,897,533,347.32/1,219,155.03
  6. Step 6: Final answer
    x = 614,275.88

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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.