Home / 1,172,828.19-1,617,668.40-1,076,343.69

Finding the Fourth Proportional to 1,172,828.19, 1,617,668.40 and 1,076,343.69

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Solution

The fourth proportional to 1,172,828.19, 1,617,668.40 and 1,076,343.69 is: 1,484,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,828.19 : 1,617,668.40 = 1,076,343.69 : x
  2. Step 2: Convert to fraction form
    1,172,828.19/1,617,668.40 = 1,076,343.69/x
  3. Step 3: Cross multiply
    1,172,828.19x = 1,617,668.40 × 1,076,343.69
  4. Step 4: Simplify right side
    1,172,828.19x = 1,741,167,174,852.40
  5. Step 5: Solve for x
    x = 1,741,167,174,852.40/1,172,828.19
  6. Step 6: Final answer
    x = 1,484,588.44

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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.