Home / 947,016.36-1,306,834.56-517,214.16

Finding the Fourth Proportional to 947,016.36, 1,306,834.56 and 517,214.16

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Solution

The fourth proportional to 947,016.36, 1,306,834.56 and 517,214.16 is: 713,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,016.36 : 1,306,834.56 = 517,214.16 : x
  2. Step 2: Convert to fraction form
    947,016.36/1,306,834.56 = 517,214.16/x
  3. Step 3: Cross multiply
    947,016.36x = 1,306,834.56 × 517,214.16
  4. Step 4: Simplify right side
    947,016.36x = 675,913,339,209.37
  5. Step 5: Solve for x
    x = 675,913,339,209.37/947,016.36
  6. Step 6: Final answer
    x = 713,729.32

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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.