Home / 985,870.44-1,360,535.94-556,168.68

Finding the Fourth Proportional to 985,870.44, 1,360,535.94 and 556,168.68

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Solution

The fourth proportional to 985,870.44, 1,360,535.94 and 556,168.68 is: 767,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,870.44 : 1,360,535.94 = 556,168.68 : x
  2. Step 2: Convert to fraction form
    985,870.44/1,360,535.94 = 556,168.68/x
  3. Step 3: Cross multiply
    985,870.44x = 1,360,535.94 × 556,168.68
  4. Step 4: Simplify right side
    985,870.44x = 756,687,477,842.36
  5. Step 5: Solve for x
    x = 756,687,477,842.36/985,870.44
  6. Step 6: Final answer
    x = 767,532.37

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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.