Home / 1,185,722.36-1,778,317.47-545,411.14

Finding the Fourth Proportional to 1,185,722.36, 1,778,317.47 and 545,411.14

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Solution

The fourth proportional to 1,185,722.36, 1,778,317.47 and 545,411.14 is: 817,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,722.36 : 1,778,317.47 = 545,411.14 : x
  2. Step 2: Convert to fraction form
    1,185,722.36/1,778,317.47 = 545,411.14/x
  3. Step 3: Cross multiply
    1,185,722.36x = 1,778,317.47 × 545,411.14
  4. Step 4: Simplify right side
    1,185,722.36x = 969,914,154,148.82
  5. Step 5: Solve for x
    x = 969,914,154,148.82/1,185,722.36
  6. Step 6: Final answer
    x = 817,994.32

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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.