Home / 985,964.41-1,360,693.11-556,087.69

Finding the Fourth Proportional to 985,964.41, 1,360,693.11 and 556,087.69

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Solution

The fourth proportional to 985,964.41, 1,360,693.11 and 556,087.69 is: 767,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,964.41 : 1,360,693.11 = 556,087.69 : x
  2. Step 2: Convert to fraction form
    985,964.41/1,360,693.11 = 556,087.69/x
  3. Step 3: Cross multiply
    985,964.41x = 1,360,693.11 × 556,087.69
  4. Step 4: Simplify right side
    985,964.41x = 756,664,688,338.82
  5. Step 5: Solve for x
    x = 756,664,688,338.82/985,964.41
  6. Step 6: Final answer
    x = 767,436.11

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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.