Home / 318,604.24-439,574.88-180,760.36

Finding the Fourth Proportional to 318,604.24, 439,574.88 and 180,760.36

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Solution

The fourth proportional to 318,604.24, 439,574.88 and 180,760.36 is: 249,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,604.24 : 439,574.88 = 180,760.36 : x
  2. Step 2: Convert to fraction form
    318,604.24/439,574.88 = 180,760.36/x
  3. Step 3: Cross multiply
    318,604.24x = 439,574.88 × 180,760.36
  4. Step 4: Simplify right side
    318,604.24x = 79,457,713,555.76
  5. Step 5: Solve for x
    x = 79,457,713,555.76/318,604.24
  6. Step 6: Final answer
    x = 249,393.15

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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.