Home / 559,621.30-839,124.15-382,328.50

Finding the Fourth Proportional to 559,621.30, 839,124.15 and 382,328.50

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Solution

The fourth proportional to 559,621.30, 839,124.15 and 382,328.50 is: 573,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,621.30 : 839,124.15 = 382,328.50 : x
  2. Step 2: Convert to fraction form
    559,621.30/839,124.15 = 382,328.50/x
  3. Step 3: Cross multiply
    559,621.30x = 839,124.15 × 382,328.50
  4. Step 4: Simplify right side
    559,621.30x = 320,821,077,583.28
  5. Step 5: Solve for x
    x = 320,821,077,583.28/559,621.30
  6. Step 6: Final answer
    x = 573,282.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.