Home / 1,030,149.83-1,545,668.74-557,168.15

Finding the Fourth Proportional to 1,030,149.83, 1,545,668.74 and 557,168.15

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Solution

The fourth proportional to 1,030,149.83, 1,545,668.74 and 557,168.15 is: 835,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,149.83 : 1,545,668.74 = 557,168.15 : x
  2. Step 2: Convert to fraction form
    1,030,149.83/1,545,668.74 = 557,168.15/x
  3. Step 3: Cross multiply
    1,030,149.83x = 1,545,668.74 × 557,168.15
  4. Step 4: Simplify right side
    1,030,149.83x = 861,197,392,378.63
  5. Step 5: Solve for x
    x = 861,197,392,378.63/1,030,149.83
  6. Step 6: Final answer
    x = 835,992.36

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Double scale
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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.