Home / 853,862.86-1,178,880.51-548,071.66

Finding the Fourth Proportional to 853,862.86, 1,178,880.51 and 548,071.66

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Solution

The fourth proportional to 853,862.86, 1,178,880.51 and 548,071.66 is: 756,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,862.86 : 1,178,880.51 = 548,071.66 : x
  2. Step 2: Convert to fraction form
    853,862.86/1,178,880.51 = 548,071.66/x
  3. Step 3: Cross multiply
    853,862.86x = 1,178,880.51 × 548,071.66
  4. Step 4: Simplify right side
    853,862.86x = 646,110,998,057.35
  5. Step 5: Solve for x
    x = 646,110,998,057.35/853,862.86
  6. Step 6: Final answer
    x = 756,691.77

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1.5x scale

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.