Home / 606,621.69-837,140.85-334,689.57

Finding the Fourth Proportional to 606,621.69, 837,140.85 and 334,689.57

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Solution

The fourth proportional to 606,621.69, 837,140.85 and 334,689.57 is: 461,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,621.69 : 837,140.85 = 334,689.57 : x
  2. Step 2: Convert to fraction form
    606,621.69/837,140.85 = 334,689.57/x
  3. Step 3: Cross multiply
    606,621.69x = 837,140.85 × 334,689.57
  4. Step 4: Simplify right side
    606,621.69x = 280,182,311,115.94
  5. Step 5: Solve for x
    x = 280,182,311,115.94/606,621.69
  6. Step 6: Final answer
    x = 461,873.22

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1.5x scale

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.