Home / 816,094.20-1,224,141.30-343,313.40

Finding the Fourth Proportional to 816,094.20, 1,224,141.30 and 343,313.40

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Solution

The fourth proportional to 816,094.20, 1,224,141.30 and 343,313.40 is: 514,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,094.20 : 1,224,141.30 = 343,313.40 : x
  2. Step 2: Convert to fraction form
    816,094.20/1,224,141.30 = 343,313.40/x
  3. Step 3: Cross multiply
    816,094.20x = 1,224,141.30 × 343,313.40
  4. Step 4: Simplify right side
    816,094.20x = 420,264,111,783.42
  5. Step 5: Solve for x
    x = 420,264,111,783.42/816,094.20
  6. Step 6: Final answer
    x = 514,970.10

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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.