Home / 1,121,664.98-1,547,825.61-612,366.26

Finding the Fourth Proportional to 1,121,664.98, 1,547,825.61 and 612,366.26

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Solution

The fourth proportional to 1,121,664.98, 1,547,825.61 and 612,366.26 is: 845,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,664.98 : 1,547,825.61 = 612,366.26 : x
  2. Step 2: Convert to fraction form
    1,121,664.98/1,547,825.61 = 612,366.26/x
  3. Step 3: Cross multiply
    1,121,664.98x = 1,547,825.61 × 612,366.26
  4. Step 4: Simplify right side
    1,121,664.98x = 947,836,179,927.92
  5. Step 5: Solve for x
    x = 947,836,179,927.92/1,121,664.98
  6. Step 6: Final answer
    x = 845,026.10

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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.