Home / 1,111,922.72-1,534,442.16-621,887.08

Finding the Fourth Proportional to 1,111,922.72, 1,534,442.16 and 621,887.08

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Solution

The fourth proportional to 1,111,922.72, 1,534,442.16 and 621,887.08 is: 858,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,922.72 : 1,534,442.16 = 621,887.08 : x
  2. Step 2: Convert to fraction form
    1,111,922.72/1,534,442.16 = 621,887.08/x
  3. Step 3: Cross multiply
    1,111,922.72x = 1,534,442.16 × 621,887.08
  4. Step 4: Simplify right side
    1,111,922.72x = 954,249,754,311.29
  5. Step 5: Solve for x
    x = 954,249,754,311.29/1,111,922.72
  6. Step 6: Final answer
    x = 858,197.91

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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.