Home / 1,360,592.78-1,876,989.78-877,313.15

Finding the Fourth Proportional to 1,360,592.78, 1,876,989.78 and 877,313.15

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Solution

The fourth proportional to 1,360,592.78, 1,876,989.78 and 877,313.15 is: 1,210,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,592.78 : 1,876,989.78 = 877,313.15 : x
  2. Step 2: Convert to fraction form
    1,360,592.78/1,876,989.78 = 877,313.15/x
  3. Step 3: Cross multiply
    1,360,592.78x = 1,876,989.78 × 877,313.15
  4. Step 4: Simplify right side
    1,360,592.78x = 1,646,707,816,409.61
  5. Step 5: Solve for x
    x = 1,646,707,816,409.61/1,360,592.78
  6. Step 6: Final answer
    x = 1,210,287.05

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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.