Home / 679,506.90-1,019,260.53-199,734.72

Finding the Fourth Proportional to 679,506.90, 1,019,260.53 and 199,734.72

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Solution

The fourth proportional to 679,506.90, 1,019,260.53 and 199,734.72 is: 299,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,506.90 : 1,019,260.53 = 199,734.72 : x
  2. Step 2: Convert to fraction form
    679,506.90/1,019,260.53 = 199,734.72/x
  3. Step 3: Cross multiply
    679,506.90x = 1,019,260.53 × 199,734.72
  4. Step 4: Simplify right side
    679,506.90x = 203,581,716,566.60
  5. Step 5: Solve for x
    x = 203,581,716,566.60/679,506.90
  6. Step 6: Final answer
    x = 299,602.13

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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.