Home / 520,168.02-717,890.25-293,828.10

Finding the Fourth Proportional to 520,168.02, 717,890.25 and 293,828.10

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Solution

The fourth proportional to 520,168.02, 717,890.25 and 293,828.10 is: 405,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,168.02 : 717,890.25 = 293,828.10 : x
  2. Step 2: Convert to fraction form
    520,168.02/717,890.25 = 293,828.10/x
  3. Step 3: Cross multiply
    520,168.02x = 717,890.25 × 293,828.10
  4. Step 4: Simplify right side
    520,168.02x = 210,936,328,166.03
  5. Step 5: Solve for x
    x = 210,936,328,166.03/520,168.02
  6. Step 6: Final answer
    x = 405,515.76

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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.