Home / 369,692.43-509,940.63-242,376.18

Finding the Fourth Proportional to 369,692.43, 509,940.63 and 242,376.18

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Solution

The fourth proportional to 369,692.43, 509,940.63 and 242,376.18 is: 334,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,692.43 : 509,940.63 = 242,376.18 : x
  2. Step 2: Convert to fraction form
    369,692.43/509,940.63 = 242,376.18/x
  3. Step 3: Cross multiply
    369,692.43x = 509,940.63 × 242,376.18
  4. Step 4: Simplify right side
    369,692.43x = 123,597,461,926.19
  5. Step 5: Solve for x
    x = 123,597,461,926.19/369,692.43
  6. Step 6: Final answer
    x = 334,325.11

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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.