Home / 919,836.61-1,379,649.80-245,970.45

Finding the Fourth Proportional to 919,836.61, 1,379,649.80 and 245,970.45

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Solution

The fourth proportional to 919,836.61, 1,379,649.80 and 245,970.45 is: 368,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,836.61 : 1,379,649.80 = 245,970.45 : x
  2. Step 2: Convert to fraction form
    919,836.61/1,379,649.80 = 245,970.45/x
  3. Step 3: Cross multiply
    919,836.61x = 1,379,649.80 × 245,970.45
  4. Step 4: Simplify right side
    919,836.61x = 339,353,082,763.34
  5. Step 5: Solve for x
    x = 339,353,082,763.34/919,836.61
  6. Step 6: Final answer
    x = 368,927.57

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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.