Home / 947,724.04-1,307,856-518,003.92

Finding the Fourth Proportional to 947,724.04, 1,307,856 and 518,003.92

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Solution

The fourth proportional to 947,724.04, 1,307,856 and 518,003.92 is: 714,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,724.04 : 1,307,856 = 518,003.92 : x
  2. Step 2: Convert to fraction form
    947,724.04/1,307,856 = 518,003.92/x
  3. Step 3: Cross multiply
    947,724.04x = 1,307,856 × 518,003.92
  4. Step 4: Simplify right side
    947,724.04x = 677,474,534,795.52
  5. Step 5: Solve for x
    x = 677,474,534,795.52/947,724.04
  6. Step 6: Final answer
    x = 714,843.67

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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.