Home / 771,259.40-1,159,653.90-649,608.20

Finding the Fourth Proportional to 771,259.40, 1,159,653.90 and 649,608.20

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Solution

The fourth proportional to 771,259.40, 1,159,653.90 and 649,608.20 is: 976,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,259.40 : 1,159,653.90 = 649,608.20 : x
  2. Step 2: Convert to fraction form
    771,259.40/1,159,653.90 = 649,608.20/x
  3. Step 3: Cross multiply
    771,259.40x = 1,159,653.90 × 649,608.20
  4. Step 4: Simplify right side
    771,259.40x = 753,320,682,601.98
  5. Step 5: Solve for x
    x = 753,320,682,601.98/771,259.40
  6. Step 6: Final answer
    x = 976,741.01

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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.