Home / 947,303.14-1,307,857.65-616,474.30

Finding the Fourth Proportional to 947,303.14, 1,307,857.65 and 616,474.30

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Solution

The fourth proportional to 947,303.14, 1,307,857.65 and 616,474.30 is: 851,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,303.14 : 1,307,857.65 = 616,474.30 : x
  2. Step 2: Convert to fraction form
    947,303.14/1,307,857.65 = 616,474.30/x
  3. Step 3: Cross multiply
    947,303.14x = 1,307,857.65 × 616,474.30
  4. Step 4: Simplify right side
    947,303.14x = 806,260,629,283.40
  5. Step 5: Solve for x
    x = 806,260,629,283.40/947,303.14
  6. Step 6: Final answer
    x = 851,111.53

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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.