Home / 1,301,188.86-1,795,426.36-817,411.37

Finding the Fourth Proportional to 1,301,188.86, 1,795,426.36 and 817,411.37

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Solution

The fourth proportional to 1,301,188.86, 1,795,426.36 and 817,411.37 is: 1,127,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,188.86 : 1,795,426.36 = 817,411.37 : x
  2. Step 2: Convert to fraction form
    1,301,188.86/1,795,426.36 = 817,411.37/x
  3. Step 3: Cross multiply
    1,301,188.86x = 1,795,426.36 × 817,411.37
  4. Step 4: Simplify right side
    1,301,188.86x = 1,467,601,909,641.05
  5. Step 5: Solve for x
    x = 1,467,601,909,641.05/1,301,188.86
  6. Step 6: Final answer
    x = 1,127,893.08

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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.