Home / 1,114,528.07-1,538,054.65-631,187.30

Finding the Fourth Proportional to 1,114,528.07, 1,538,054.65 and 631,187.30

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Solution

The fourth proportional to 1,114,528.07, 1,538,054.65 and 631,187.30 is: 871,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,528.07 : 1,538,054.65 = 631,187.30 : x
  2. Step 2: Convert to fraction form
    1,114,528.07/1,538,054.65 = 631,187.30/x
  3. Step 3: Cross multiply
    1,114,528.07x = 1,538,054.65 × 631,187.30
  4. Step 4: Simplify right side
    1,114,528.07x = 970,800,561,785.95
  5. Step 5: Solve for x
    x = 970,800,561,785.95/1,114,528.07
  6. Step 6: Final answer
    x = 871,041.82

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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.