Home / 1,176,538.14-1,764,783.63-774,271.28

Finding the Fourth Proportional to 1,176,538.14, 1,764,783.63 and 774,271.28

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Solution

The fourth proportional to 1,176,538.14, 1,764,783.63 and 774,271.28 is: 1,161,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,538.14 : 1,764,783.63 = 774,271.28 : x
  2. Step 2: Convert to fraction form
    1,176,538.14/1,764,783.63 = 774,271.28/x
  3. Step 3: Cross multiply
    1,176,538.14x = 1,764,783.63 × 774,271.28
  4. Step 4: Simplify right side
    1,176,538.14x = 1,366,421,277,394.01
  5. Step 5: Solve for x
    x = 1,366,421,277,394.01/1,176,538.14
  6. Step 6: Final answer
    x = 1,161,391.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.