Home / 1,191,901.77-1,788,976.22-434,475.32

Finding the Fourth Proportional to 1,191,901.77, 1,788,976.22 and 434,475.32

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Solution

The fourth proportional to 1,191,901.77, 1,788,976.22 and 434,475.32 is: 652,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,901.77 : 1,788,976.22 = 434,475.32 : x
  2. Step 2: Convert to fraction form
    1,191,901.77/1,788,976.22 = 434,475.32/x
  3. Step 3: Cross multiply
    1,191,901.77x = 1,788,976.22 × 434,475.32
  4. Step 4: Simplify right side
    1,191,901.77x = 777,266,004,539.63
  5. Step 5: Solve for x
    x = 777,266,004,539.63/1,191,901.77
  6. Step 6: Final answer
    x = 652,122.54

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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.