Home / 1,210,258.62-1,815,554.34-411,325.74

Finding the Fourth Proportional to 1,210,258.62, 1,815,554.34 and 411,325.74

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Solution

The fourth proportional to 1,210,258.62, 1,815,554.34 and 411,325.74 is: 617,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,258.62 : 1,815,554.34 = 411,325.74 : x
  2. Step 2: Convert to fraction form
    1,210,258.62/1,815,554.34 = 411,325.74/x
  3. Step 3: Cross multiply
    1,210,258.62x = 1,815,554.34 × 411,325.74
  4. Step 4: Simplify right side
    1,210,258.62x = 746,784,232,410.71
  5. Step 5: Solve for x
    x = 746,784,232,410.71/1,210,258.62
  6. Step 6: Final answer
    x = 617,045.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.