Home / 1,851,955.69-2,778,040.47-714,723.79

Finding the Fourth Proportional to 1,851,955.69, 2,778,040.47 and 714,723.79

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Solution

The fourth proportional to 1,851,955.69, 2,778,040.47 and 714,723.79 is: 1,072,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,955.69 : 2,778,040.47 = 714,723.79 : x
  2. Step 2: Convert to fraction form
    1,851,955.69/2,778,040.47 = 714,723.79/x
  3. Step 3: Cross multiply
    1,851,955.69x = 2,778,040.47 × 714,723.79
  4. Step 4: Simplify right side
    1,851,955.69x = 1,985,531,613,491.78
  5. Step 5: Solve for x
    x = 1,985,531,613,491.78/1,851,955.69
  6. Step 6: Final answer
    x = 1,072,126.95

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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.