Home / 771,923.05-1,157,887.28-546,601.91

Finding the Fourth Proportional to 771,923.05, 1,157,887.28 and 546,601.91

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Solution

The fourth proportional to 771,923.05, 1,157,887.28 and 546,601.91 is: 819,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,923.05 : 1,157,887.28 = 546,601.91 : x
  2. Step 2: Convert to fraction form
    771,923.05/1,157,887.28 = 546,601.91/x
  3. Step 3: Cross multiply
    771,923.05x = 1,157,887.28 × 546,601.91
  4. Step 4: Simplify right side
    771,923.05x = 632,903,394,389.77
  5. Step 5: Solve for x
    x = 632,903,394,389.77/771,923.05
  6. Step 6: Final answer
    x = 819,904.78

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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.