Home / 1,210,241.16-1,670,119.02-666,365.58

Finding the Fourth Proportional to 1,210,241.16, 1,670,119.02 and 666,365.58

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Solution

The fourth proportional to 1,210,241.16, 1,670,119.02 and 666,365.58 is: 919,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,241.16 : 1,670,119.02 = 666,365.58 : x
  2. Step 2: Convert to fraction form
    1,210,241.16/1,670,119.02 = 666,365.58/x
  3. Step 3: Cross multiply
    1,210,241.16x = 1,670,119.02 × 666,365.58
  4. Step 4: Simplify right side
    1,210,241.16x = 1,112,909,829,431.33
  5. Step 5: Solve for x
    x = 1,112,909,829,431.33/1,210,241.16
  6. Step 6: Final answer
    x = 919,576.91

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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.