Home / 1,112,130.92-1,534,806.86-628,741.06

Finding the Fourth Proportional to 1,112,130.92, 1,534,806.86 and 628,741.06

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Solution

The fourth proportional to 1,112,130.92, 1,534,806.86 and 628,741.06 is: 867,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,130.92 : 1,534,806.86 = 628,741.06 : x
  2. Step 2: Convert to fraction form
    1,112,130.92/1,534,806.86 = 628,741.06/x
  3. Step 3: Cross multiply
    1,112,130.92x = 1,534,806.86 × 628,741.06
  4. Step 4: Simplify right side
    1,112,130.92x = 964,996,085,070.95
  5. Step 5: Solve for x
    x = 964,996,085,070.95/1,112,130.92
  6. Step 6: Final answer
    x = 867,700.08

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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.