Home / 1,156,063.51-1,595,355.89-639,818.41

Finding the Fourth Proportional to 1,156,063.51, 1,595,355.89 and 639,818.41

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Solution

The fourth proportional to 1,156,063.51, 1,595,355.89 and 639,818.41 is: 882,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,063.51 : 1,595,355.89 = 639,818.41 : x
  2. Step 2: Convert to fraction form
    1,156,063.51/1,595,355.89 = 639,818.41/x
  3. Step 3: Cross multiply
    1,156,063.51x = 1,595,355.89 × 639,818.41
  4. Step 4: Simplify right side
    1,156,063.51x = 1,020,738,066,535.09
  5. Step 5: Solve for x
    x = 1,020,738,066,535.09/1,156,063.51
  6. Step 6: Final answer
    x = 882,942.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.