Home / 1,014,161.36-1,399,489.40-555,187.98

Finding the Fourth Proportional to 1,014,161.36, 1,399,489.40 and 555,187.98

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Solution

The fourth proportional to 1,014,161.36, 1,399,489.40 and 555,187.98 is: 766,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,161.36 : 1,399,489.40 = 555,187.98 : x
  2. Step 2: Convert to fraction form
    1,014,161.36/1,399,489.40 = 555,187.98/x
  3. Step 3: Cross multiply
    1,014,161.36x = 1,399,489.40 × 555,187.98
  4. Step 4: Simplify right side
    1,014,161.36x = 776,979,693,017.41
  5. Step 5: Solve for x
    x = 776,979,693,017.41/1,014,161.36
  6. Step 6: Final answer
    x = 766,130.25

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1.5x scale

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.