Home / 929,162.77-1,393,448.91-631,555.81

Finding the Fourth Proportional to 929,162.77, 1,393,448.91 and 631,555.81

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Solution

The fourth proportional to 929,162.77, 1,393,448.91 and 631,555.81 is: 947,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,162.77 : 1,393,448.91 = 631,555.81 : x
  2. Step 2: Convert to fraction form
    929,162.77/1,393,448.91 = 631,555.81/x
  3. Step 3: Cross multiply
    929,162.77x = 1,393,448.91 × 631,555.81
  4. Step 4: Simplify right side
    929,162.77x = 880,040,749,196.71
  5. Step 5: Solve for x
    x = 880,040,749,196.71/929,162.77
  6. Step 6: Final answer
    x = 947,133.03

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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.