Home / 388,292.23-536,008.62-261,041.64

Finding the Fourth Proportional to 388,292.23, 536,008.62 and 261,041.64

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Solution

The fourth proportional to 388,292.23, 536,008.62 and 261,041.64 is: 360,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,292.23 : 536,008.62 = 261,041.64 : x
  2. Step 2: Convert to fraction form
    388,292.23/536,008.62 = 261,041.64/x
  3. Step 3: Cross multiply
    388,292.23x = 536,008.62 × 261,041.64
  4. Step 4: Simplify right side
    388,292.23x = 139,920,568,187.81
  5. Step 5: Solve for x
    x = 139,920,568,187.81/388,292.23
  6. Step 6: Final answer
    x = 360,348.62

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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.