Home / 1,155,669.98-1,594,815.90-646,372.36

Finding the Fourth Proportional to 1,155,669.98, 1,594,815.90 and 646,372.36

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Solution

The fourth proportional to 1,155,669.98, 1,594,815.90 and 646,372.36 is: 891,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,669.98 : 1,594,815.90 = 646,372.36 : x
  2. Step 2: Convert to fraction form
    1,155,669.98/1,594,815.90 = 646,372.36/x
  3. Step 3: Cross multiply
    1,155,669.98x = 1,594,815.90 × 646,372.36
  4. Step 4: Simplify right side
    1,155,669.98x = 1,030,844,917,048.52
  5. Step 5: Solve for x
    x = 1,030,844,917,048.52/1,155,669.98
  6. Step 6: Final answer
    x = 891,989.01

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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.