Home / 1,038,089.81-1,554,945.89-658,810.55

Finding the Fourth Proportional to 1,038,089.81, 1,554,945.89 and 658,810.55

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Solution

The fourth proportional to 1,038,089.81, 1,554,945.89 and 658,810.55 is: 986,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,089.81 : 1,554,945.89 = 658,810.55 : x
  2. Step 2: Convert to fraction form
    1,038,089.81/1,554,945.89 = 658,810.55/x
  3. Step 3: Cross multiply
    1,038,089.81x = 1,554,945.89 × 658,810.55
  4. Step 4: Simplify right side
    1,038,089.81x = 1,024,414,745,942.36
  5. Step 5: Solve for x
    x = 1,024,414,745,942.36/1,038,089.81
  6. Step 6: Final answer
    x = 986,826.71

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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.