Home / 1,182,746.18-1,632,190.32-638,881.94

Finding the Fourth Proportional to 1,182,746.18, 1,632,190.32 and 638,881.94

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Solution

The fourth proportional to 1,182,746.18, 1,632,190.32 and 638,881.94 is: 881,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,746.18 : 1,632,190.32 = 638,881.94 : x
  2. Step 2: Convert to fraction form
    1,182,746.18/1,632,190.32 = 638,881.94/x
  3. Step 3: Cross multiply
    1,182,746.18x = 1,632,190.32 × 638,881.94
  4. Step 4: Simplify right side
    1,182,746.18x = 1,042,776,909,929.87
  5. Step 5: Solve for x
    x = 1,042,776,909,929.87/1,182,746.18
  6. Step 6: Final answer
    x = 881,657.39

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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.