Home / 869,627.40-1,200,097.76-651,449.56

Finding the Fourth Proportional to 869,627.40, 1,200,097.76 and 651,449.56

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Solution

The fourth proportional to 869,627.40, 1,200,097.76 and 651,449.56 is: 899,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,627.40 : 1,200,097.76 = 651,449.56 : x
  2. Step 2: Convert to fraction form
    869,627.40/1,200,097.76 = 651,449.56/x
  3. Step 3: Cross multiply
    869,627.40x = 1,200,097.76 × 651,449.56
  4. Step 4: Simplify right side
    869,627.40x = 781,803,157,708.99
  5. Step 5: Solve for x
    x = 781,803,157,708.99/869,627.40
  6. Step 6: Final answer
    x = 899,009.34

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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.