Home / 1,133,048.70-1,699,573.05-1,121,238.90

Finding the Fourth Proportional to 1,133,048.70, 1,699,573.05 and 1,121,238.90

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Solution

The fourth proportional to 1,133,048.70, 1,699,573.05 and 1,121,238.90 is: 1,681,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,048.70 : 1,699,573.05 = 1,121,238.90 : x
  2. Step 2: Convert to fraction form
    1,133,048.70/1,699,573.05 = 1,121,238.90/x
  3. Step 3: Cross multiply
    1,133,048.70x = 1,699,573.05 × 1,121,238.90
  4. Step 4: Simplify right side
    1,133,048.70x = 1,905,627,417,051.64
  5. Step 5: Solve for x
    x = 1,905,627,417,051.64/1,133,048.70
  6. Step 6: Final answer
    x = 1,681,858.35

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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.