Home / 560,180.30-839,839.76-290,018.84

Finding the Fourth Proportional to 560,180.30, 839,839.76 and 290,018.84

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Solution

The fourth proportional to 560,180.30, 839,839.76 and 290,018.84 is: 434,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,180.30 : 839,839.76 = 290,018.84 : x
  2. Step 2: Convert to fraction form
    560,180.30/839,839.76 = 290,018.84/x
  3. Step 3: Cross multiply
    560,180.30x = 839,839.76 × 290,018.84
  4. Step 4: Simplify right side
    560,180.30x = 243,569,352,981.08
  5. Step 5: Solve for x
    x = 243,569,352,981.08/560,180.30
  6. Step 6: Final answer
    x = 434,805.28

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1.5x scale

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.