Home / 1,178,488.44-1,626,258.06-669,123

Finding the Fourth Proportional to 1,178,488.44, 1,626,258.06 and 669,123

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Solution

The fourth proportional to 1,178,488.44, 1,626,258.06 and 669,123 is: 923,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,488.44 : 1,626,258.06 = 669,123 : x
  2. Step 2: Convert to fraction form
    1,178,488.44/1,626,258.06 = 669,123/x
  3. Step 3: Cross multiply
    1,178,488.44x = 1,626,258.06 × 669,123
  4. Step 4: Simplify right side
    1,178,488.44x = 1,088,166,671,881.38
  5. Step 5: Solve for x
    x = 1,088,166,671,881.38/1,178,488.44
  6. Step 6: Final answer
    x = 923,357.95

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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.