Home / 1,186,970.72-1,637,126.64-824,395.04

Finding the Fourth Proportional to 1,186,970.72, 1,637,126.64 and 824,395.04

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Solution

The fourth proportional to 1,186,970.72, 1,637,126.64 and 824,395.04 is: 1,137,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,970.72 : 1,637,126.64 = 824,395.04 : x
  2. Step 2: Convert to fraction form
    1,186,970.72/1,637,126.64 = 824,395.04/x
  3. Step 3: Cross multiply
    1,186,970.72x = 1,637,126.64 × 824,395.04
  4. Step 4: Simplify right side
    1,186,970.72x = 1,349,639,081,867.87
  5. Step 5: Solve for x
    x = 1,349,639,081,867.87/1,186,970.72
  6. Step 6: Final answer
    x = 1,137,044.97

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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.