Home / 1,778,857.19-2,668,784.64-714,646.59

Finding the Fourth Proportional to 1,778,857.19, 2,668,784.64 and 714,646.59

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Solution

The fourth proportional to 1,778,857.19, 2,668,784.64 and 714,646.59 is: 1,072,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,857.19 : 2,668,784.64 = 714,646.59 : x
  2. Step 2: Convert to fraction form
    1,778,857.19/2,668,784.64 = 714,646.59/x
  3. Step 3: Cross multiply
    1,778,857.19x = 2,668,784.64 × 714,646.59
  4. Step 4: Simplify right side
    1,778,857.19x = 1,907,237,842,420.38
  5. Step 5: Solve for x
    x = 1,907,237,842,420.38/1,778,857.19
  6. Step 6: Final answer
    x = 1,072,170.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.