Home / 1,190,731.14-1,643,210.40-646,867.29

Finding the Fourth Proportional to 1,190,731.14, 1,643,210.40 and 646,867.29

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Solution

The fourth proportional to 1,190,731.14, 1,643,210.40 and 646,867.29 is: 892,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,731.14 : 1,643,210.40 = 646,867.29 : x
  2. Step 2: Convert to fraction form
    1,190,731.14/1,643,210.40 = 646,867.29/x
  3. Step 3: Cross multiply
    1,190,731.14x = 1,643,210.40 × 646,867.29
  4. Step 4: Simplify right side
    1,190,731.14x = 1,062,939,058,347.82
  5. Step 5: Solve for x
    x = 1,062,939,058,347.82/1,190,731.14
  6. Step 6: Final answer
    x = 892,677.64

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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.