Home / 1,132,415.21-1,562,769.75-649,071.45

Finding the Fourth Proportional to 1,132,415.21, 1,562,769.75 and 649,071.45

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Solution

The fourth proportional to 1,132,415.21, 1,562,769.75 and 649,071.45 is: 895,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,415.21 : 1,562,769.75 = 649,071.45 : x
  2. Step 2: Convert to fraction form
    1,132,415.21/1,562,769.75 = 649,071.45/x
  3. Step 3: Cross multiply
    1,132,415.21x = 1,562,769.75 × 649,071.45
  4. Step 4: Simplify right side
    1,132,415.21x = 1,014,349,227,648.64
  5. Step 5: Solve for x
    x = 1,014,349,227,648.64/1,132,415.21
  6. Step 6: Final answer
    x = 895,739.67

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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.