Home / 1,160,057.89-1,739,412.39-776,245.31

Finding the Fourth Proportional to 1,160,057.89, 1,739,412.39 and 776,245.31

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Solution

The fourth proportional to 1,160,057.89, 1,739,412.39 and 776,245.31 is: 1,163,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,057.89 : 1,739,412.39 = 776,245.31 : x
  2. Step 2: Convert to fraction form
    1,160,057.89/1,739,412.39 = 776,245.31/x
  3. Step 3: Cross multiply
    1,160,057.89x = 1,739,412.39 × 776,245.31
  4. Step 4: Simplify right side
    1,160,057.89x = 1,350,210,712,435.98
  5. Step 5: Solve for x
    x = 1,350,210,712,435.98/1,160,057.89
  6. Step 6: Final answer
    x = 1,163,916.67

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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.