Home / 971,943.81-1,457,749.64-261,805.77

Finding the Fourth Proportional to 971,943.81, 1,457,749.64 and 261,805.77

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Solution

The fourth proportional to 971,943.81, 1,457,749.64 and 261,805.77 is: 392,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,943.81 : 1,457,749.64 = 261,805.77 : x
  2. Step 2: Convert to fraction form
    971,943.81/1,457,749.64 = 261,805.77/x
  3. Step 3: Cross multiply
    971,943.81x = 1,457,749.64 × 261,805.77
  4. Step 4: Simplify right side
    971,943.81x = 381,647,265,658.39
  5. Step 5: Solve for x
    x = 381,647,265,658.39/971,943.81
  6. Step 6: Final answer
    x = 392,663.92

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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.