Home / 1,210,241.66-1,670,119.71-666,366.08

Finding the Fourth Proportional to 1,210,241.66, 1,670,119.71 and 666,366.08

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Solution

The fourth proportional to 1,210,241.66, 1,670,119.71 and 666,366.08 is: 919,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,241.66 : 1,670,119.71 = 666,366.08 : x
  2. Step 2: Convert to fraction form
    1,210,241.66/1,670,119.71 = 666,366.08/x
  3. Step 3: Cross multiply
    1,210,241.66x = 1,670,119.71 × 666,366.08
  4. Step 4: Simplify right side
    1,210,241.66x = 1,112,911,124,283.44
  5. Step 5: Solve for x
    x = 1,112,911,124,283.44/1,210,241.66
  6. Step 6: Final answer
    x = 919,577.60

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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.