Home / 680,058.20-1,018,532.10-347,245.40

Finding the Fourth Proportional to 680,058.20, 1,018,532.10 and 347,245.40

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Solution

The fourth proportional to 680,058.20, 1,018,532.10 and 347,245.40 is: 520,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,058.20 : 1,018,532.10 = 347,245.40 : x
  2. Step 2: Convert to fraction form
    680,058.20/1,018,532.10 = 347,245.40/x
  3. Step 3: Cross multiply
    680,058.20x = 1,018,532.10 × 347,245.40
  4. Step 4: Simplify right side
    680,058.20x = 353,680,586,477.34
  5. Step 5: Solve for x
    x = 353,680,586,477.34/680,058.20
  6. Step 6: Final answer
    x = 520,074.00

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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.