Home / 947,012.16-1,306,826.76-517,286.16

Finding the Fourth Proportional to 947,012.16, 1,306,826.76 and 517,286.16

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Solution

The fourth proportional to 947,012.16, 1,306,826.76 and 517,286.16 is: 713,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,012.16 : 1,306,826.76 = 517,286.16 : x
  2. Step 2: Convert to fraction form
    947,012.16/1,306,826.76 = 517,286.16/x
  3. Step 3: Cross multiply
    947,012.16x = 1,306,826.76 × 517,286.16
  4. Step 4: Simplify right side
    947,012.16x = 676,003,396,465.64
  5. Step 5: Solve for x
    x = 676,003,396,465.64/947,012.16
  6. Step 6: Final answer
    x = 713,827.58

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Double scale
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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.