Home / 1,502,090.74-2,072,968.23-857,717.92

Finding the Fourth Proportional to 1,502,090.74, 2,072,968.23 and 857,717.92

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Solution

The fourth proportional to 1,502,090.74, 2,072,968.23 and 857,717.92 is: 1,183,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,090.74 : 2,072,968.23 = 857,717.92 : x
  2. Step 2: Convert to fraction form
    1,502,090.74/2,072,968.23 = 857,717.92/x
  3. Step 3: Cross multiply
    1,502,090.74x = 2,072,968.23 × 857,717.92
  4. Step 4: Simplify right side
    1,502,090.74x = 1,778,021,998,461.68
  5. Step 5: Solve for x
    x = 1,778,021,998,461.68/1,502,090.74
  6. Step 6: Final answer
    x = 1,183,698.13

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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.