Home / 649,254.64-973,986.61-199,975.30

Finding the Fourth Proportional to 649,254.64, 973,986.61 and 199,975.30

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Solution

The fourth proportional to 649,254.64, 973,986.61 and 199,975.30 is: 299,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,254.64 : 973,986.61 = 199,975.30 : x
  2. Step 2: Convert to fraction form
    649,254.64/973,986.61 = 199,975.30/x
  3. Step 3: Cross multiply
    649,254.64x = 973,986.61 × 199,975.30
  4. Step 4: Simplify right side
    649,254.64x = 194,773,261,970.78
  5. Step 5: Solve for x
    x = 194,773,261,970.78/649,254.64
  6. Step 6: Final answer
    x = 299,995.18

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Double scale
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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.