Home / 1,284,566.43-1,772,701.70-711,643.71

Finding the Fourth Proportional to 1,284,566.43, 1,772,701.70 and 711,643.71

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Solution

The fourth proportional to 1,284,566.43, 1,772,701.70 and 711,643.71 is: 982,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,566.43 : 1,772,701.70 = 711,643.71 : x
  2. Step 2: Convert to fraction form
    1,284,566.43/1,772,701.70 = 711,643.71/x
  3. Step 3: Cross multiply
    1,284,566.43x = 1,772,701.70 × 711,643.71
  4. Step 4: Simplify right side
    1,284,566.43x = 1,261,532,014,511.31
  5. Step 5: Solve for x
    x = 1,261,532,014,511.31/1,284,566.43
  6. Step 6: Final answer
    x = 982,068.33

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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.