Home / 878,208.85-1,211,259.52-755,909.38

Finding the Fourth Proportional to 878,208.85, 1,211,259.52 and 755,909.38

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Solution

The fourth proportional to 878,208.85, 1,211,259.52 and 755,909.38 is: 1,042,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,208.85 : 1,211,259.52 = 755,909.38 : x
  2. Step 2: Convert to fraction form
    878,208.85/1,211,259.52 = 755,909.38/x
  3. Step 3: Cross multiply
    878,208.85x = 1,211,259.52 × 755,909.38
  4. Step 4: Simplify right side
    878,208.85x = 915,602,429,378.45
  5. Step 5: Solve for x
    x = 915,602,429,378.45/878,208.85
  6. Step 6: Final answer
    x = 1,042,579.37

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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.