Home / 1,258,063.66-1,736,200.81-947,410.09

Finding the Fourth Proportional to 1,258,063.66, 1,736,200.81 and 947,410.09

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Solution

The fourth proportional to 1,258,063.66, 1,736,200.81 and 947,410.09 is: 1,307,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,063.66 : 1,736,200.81 = 947,410.09 : x
  2. Step 2: Convert to fraction form
    1,258,063.66/1,736,200.81 = 947,410.09/x
  3. Step 3: Cross multiply
    1,258,063.66x = 1,736,200.81 × 947,410.09
  4. Step 4: Simplify right side
    1,258,063.66x = 1,644,894,162,503.93
  5. Step 5: Solve for x
    x = 1,644,894,162,503.93/1,258,063.66
  6. Step 6: Final answer
    x = 1,307,480.86

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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.