Home / 695,387.93-1,042,918.22-189,828.72

Finding the Fourth Proportional to 695,387.93, 1,042,918.22 and 189,828.72

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Solution

The fourth proportional to 695,387.93, 1,042,918.22 and 189,828.72 is: 284,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,387.93 : 1,042,918.22 = 189,828.72 : x
  2. Step 2: Convert to fraction form
    695,387.93/1,042,918.22 = 189,828.72/x
  3. Step 3: Cross multiply
    695,387.93x = 1,042,918.22 × 189,828.72
  4. Step 4: Simplify right side
    695,387.93x = 197,975,829,818.14
  5. Step 5: Solve for x
    x = 197,975,829,818.14/695,387.93
  6. Step 6: Final answer
    x = 284,698.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.