Home / 845,940.09-1,167,406.35-458,756.22

Finding the Fourth Proportional to 845,940.09, 1,167,406.35 and 458,756.22

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Solution

The fourth proportional to 845,940.09, 1,167,406.35 and 458,756.22 is: 633,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,940.09 : 1,167,406.35 = 458,756.22 : x
  2. Step 2: Convert to fraction form
    845,940.09/1,167,406.35 = 458,756.22/x
  3. Step 3: Cross multiply
    845,940.09x = 1,167,406.35 × 458,756.22
  4. Step 4: Simplify right side
    845,940.09x = 535,554,916,199.18
  5. Step 5: Solve for x
    x = 535,554,916,199.18/845,940.09
  6. Step 6: Final answer
    x = 633,088.47

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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.