Home / 414,095.10-621,148.59-272,844.87

Finding the Fourth Proportional to 414,095.10, 621,148.59 and 272,844.87

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Solution

The fourth proportional to 414,095.10, 621,148.59 and 272,844.87 is: 409,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,095.10 : 621,148.59 = 272,844.87 : x
  2. Step 2: Convert to fraction form
    414,095.10/621,148.59 = 272,844.87/x
  3. Step 3: Cross multiply
    414,095.10x = 621,148.59 × 272,844.87
  4. Step 4: Simplify right side
    414,095.10x = 169,477,206,289.23
  5. Step 5: Solve for x
    x = 169,477,206,289.23/414,095.10
  6. Step 6: Final answer
    x = 409,271.22

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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.