Home / 1,043,611.79-1,439,547.71-689,991.39

Finding the Fourth Proportional to 1,043,611.79, 1,439,547.71 and 689,991.39

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Solution

The fourth proportional to 1,043,611.79, 1,439,547.71 and 689,991.39 is: 951,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,611.79 : 1,439,547.71 = 689,991.39 : x
  2. Step 2: Convert to fraction form
    1,043,611.79/1,439,547.71 = 689,991.39/x
  3. Step 3: Cross multiply
    1,043,611.79x = 1,439,547.71 × 689,991.39
  4. Step 4: Simplify right side
    1,043,611.79x = 993,275,521,944.26
  5. Step 5: Solve for x
    x = 993,275,521,944.26/1,043,611.79
  6. Step 6: Final answer
    x = 951,767.25

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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.