Home / 1,403,532-1,936,756.44-830,471.76

Finding the Fourth Proportional to 1,403,532, 1,936,756.44 and 830,471.76

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Solution

The fourth proportional to 1,403,532, 1,936,756.44 and 830,471.76 is: 1,145,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,532 : 1,936,756.44 = 830,471.76 : x
  2. Step 2: Convert to fraction form
    1,403,532/1,936,756.44 = 830,471.76/x
  3. Step 3: Cross multiply
    1,403,532x = 1,936,756.44 × 830,471.76
  4. Step 4: Simplify right side
    1,403,532x = 1,608,421,529,418.13
  5. Step 5: Solve for x
    x = 1,608,421,529,418.13/1,403,532
  6. Step 6: Final answer
    x = 1,145,981.37

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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.