Home / 919,660.02-1,379,548.34-288,598.74

Finding the Fourth Proportional to 919,660.02, 1,379,548.34 and 288,598.74

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Solution

The fourth proportional to 919,660.02, 1,379,548.34 and 288,598.74 is: 432,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,660.02 : 1,379,548.34 = 288,598.74 : x
  2. Step 2: Convert to fraction form
    919,660.02/1,379,548.34 = 288,598.74/x
  3. Step 3: Cross multiply
    919,660.02x = 1,379,548.34 × 288,598.74
  4. Step 4: Simplify right side
    919,660.02x = 398,135,912,693.09
  5. Step 5: Solve for x
    x = 398,135,912,693.09/919,660.02
  6. Step 6: Final answer
    x = 432,916.41

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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.