Home / 1,011,113.76-1,395,329.51-552,228.54

Finding the Fourth Proportional to 1,011,113.76, 1,395,329.51 and 552,228.54

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Solution

The fourth proportional to 1,011,113.76, 1,395,329.51 and 552,228.54 is: 762,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,113.76 : 1,395,329.51 = 552,228.54 : x
  2. Step 2: Convert to fraction form
    1,011,113.76/1,395,329.51 = 552,228.54/x
  3. Step 3: Cross multiply
    1,011,113.76x = 1,395,329.51 × 552,228.54
  4. Step 4: Simplify right side
    1,011,113.76x = 770,540,775,365.07
  5. Step 5: Solve for x
    x = 770,540,775,365.07/1,011,113.76
  6. Step 6: Final answer
    x = 762,071.30

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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.