Home / 947,303.64-1,307,858.34-616,474.80

Finding the Fourth Proportional to 947,303.64, 1,307,858.34 and 616,474.80

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Solution

The fourth proportional to 947,303.64, 1,307,858.34 and 616,474.80 is: 851,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,303.64 : 1,307,858.34 = 616,474.80 : x
  2. Step 2: Convert to fraction form
    947,303.64/1,307,858.34 = 616,474.80/x
  3. Step 3: Cross multiply
    947,303.64x = 1,307,858.34 × 616,474.80
  4. Step 4: Simplify right side
    947,303.64x = 806,261,708,579.83
  5. Step 5: Solve for x
    x = 806,261,708,579.83/947,303.64
  6. Step 6: Final answer
    x = 851,112.22

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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.