Home / 369,806.28-556,029.86-340,577.03

Finding the Fourth Proportional to 369,806.28, 556,029.86 and 340,577.03

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Solution

The fourth proportional to 369,806.28, 556,029.86 and 340,577.03 is: 512,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,806.28 : 556,029.86 = 340,577.03 : x
  2. Step 2: Convert to fraction form
    369,806.28/556,029.86 = 340,577.03/x
  3. Step 3: Cross multiply
    369,806.28x = 556,029.86 × 340,577.03
  4. Step 4: Simplify right side
    369,806.28x = 189,370,993,827.08
  5. Step 5: Solve for x
    x = 189,370,993,827.08/369,806.28
  6. Step 6: Final answer
    x = 512,081.61

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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.