Home / 992,330.72-1,369,375.06-562,639.92

Finding the Fourth Proportional to 992,330.72, 1,369,375.06 and 562,639.92

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Solution

The fourth proportional to 992,330.72, 1,369,375.06 and 562,639.92 is: 776,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,330.72 : 1,369,375.06 = 562,639.92 : x
  2. Step 2: Convert to fraction form
    992,330.72/1,369,375.06 = 562,639.92/x
  3. Step 3: Cross multiply
    992,330.72x = 1,369,375.06 × 562,639.92
  4. Step 4: Simplify right side
    992,330.72x = 770,465,074,208.40
  5. Step 5: Solve for x
    x = 770,465,074,208.40/992,330.72
  6. Step 6: Final answer
    x = 776,419.65

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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.