Home / 480,039.80-662,449.23-262,247.40

Finding the Fourth Proportional to 480,039.80, 662,449.23 and 262,247.40

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Solution

The fourth proportional to 480,039.80, 662,449.23 and 262,247.40 is: 361,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,039.80 : 662,449.23 = 262,247.40 : x
  2. Step 2: Convert to fraction form
    480,039.80/662,449.23 = 262,247.40/x
  3. Step 3: Cross multiply
    480,039.80x = 662,449.23 × 262,247.40
  4. Step 4: Simplify right side
    480,039.80x = 173,725,588,199.50
  5. Step 5: Solve for x
    x = 173,725,588,199.50/480,039.80
  6. Step 6: Final answer
    x = 361,898.31

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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.