Home / 985,947.41-1,360,669.65-556,070.69

Finding the Fourth Proportional to 985,947.41, 1,360,669.65 and 556,070.69

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Solution

The fourth proportional to 985,947.41, 1,360,669.65 and 556,070.69 is: 767,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,947.41 : 1,360,669.65 = 556,070.69 : x
  2. Step 2: Convert to fraction form
    985,947.41/1,360,669.65 = 556,070.69/x
  3. Step 3: Cross multiply
    985,947.41x = 1,360,669.65 × 556,070.69
  4. Step 4: Simplify right side
    985,947.41x = 756,628,511,137.56
  5. Step 5: Solve for x
    x = 756,628,511,137.56/985,947.41
  6. Step 6: Final answer
    x = 767,412.65

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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.