Home / 1,212,528.83-1,673,301.44-668,683.89

Finding the Fourth Proportional to 1,212,528.83, 1,673,301.44 and 668,683.89

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Solution

The fourth proportional to 1,212,528.83, 1,673,301.44 and 668,683.89 is: 922,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,528.83 : 1,673,301.44 = 668,683.89 : x
  2. Step 2: Convert to fraction form
    1,212,528.83/1,673,301.44 = 668,683.89/x
  3. Step 3: Cross multiply
    1,212,528.83x = 1,673,301.44 × 668,683.89
  4. Step 4: Simplify right side
    1,212,528.83x = 1,118,909,717,713.51
  5. Step 5: Solve for x
    x = 1,118,909,717,713.51/1,212,528.83
  6. Step 6: Final answer
    x = 922,790.20

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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.