Home / 1,186,559.52-1,780,140.70-345,111.28

Finding the Fourth Proportional to 1,186,559.52, 1,780,140.70 and 345,111.28

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Solution

The fourth proportional to 1,186,559.52, 1,780,140.70 and 345,111.28 is: 517,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,559.52 : 1,780,140.70 = 345,111.28 : x
  2. Step 2: Convert to fraction form
    1,186,559.52/1,780,140.70 = 345,111.28/x
  3. Step 3: Cross multiply
    1,186,559.52x = 1,780,140.70 × 345,111.28
  4. Step 4: Simplify right side
    1,186,559.52x = 614,346,635,557.10
  5. Step 5: Solve for x
    x = 614,346,635,557.10/1,186,559.52
  6. Step 6: Final answer
    x = 517,754.59

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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.