Home / 1,728,814.52-2,386,076.33-1,031,140.06

Finding the Fourth Proportional to 1,728,814.52, 2,386,076.33 and 1,031,140.06

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Solution

The fourth proportional to 1,728,814.52, 2,386,076.33 and 1,031,140.06 is: 1,423,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,814.52 : 2,386,076.33 = 1,031,140.06 : x
  2. Step 2: Convert to fraction form
    1,728,814.52/2,386,076.33 = 1,031,140.06/x
  3. Step 3: Cross multiply
    1,728,814.52x = 2,386,076.33 × 1,031,140.06
  4. Step 4: Simplify right side
    1,728,814.52x = 2,460,378,886,693.44
  5. Step 5: Solve for x
    x = 2,460,378,886,693.44/1,728,814.52
  6. Step 6: Final answer
    x = 1,423,159.54

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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.