Home / 1,189,573.24-1,641,566.49-645,697.33

Finding the Fourth Proportional to 1,189,573.24, 1,641,566.49 and 645,697.33

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Solution

The fourth proportional to 1,189,573.24, 1,641,566.49 and 645,697.33 is: 891,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,573.24 : 1,641,566.49 = 645,697.33 : x
  2. Step 2: Convert to fraction form
    1,189,573.24/1,641,566.49 = 645,697.33/x
  3. Step 3: Cross multiply
    1,189,573.24x = 1,641,566.49 × 645,697.33
  4. Step 4: Simplify right side
    1,189,573.24x = 1,059,955,099,610.47
  5. Step 5: Solve for x
    x = 1,059,955,099,610.47/1,189,573.24
  6. Step 6: Final answer
    x = 891,038.12

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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.