Home / 1,302,138-1,953,219.16-460,832.40

Finding the Fourth Proportional to 1,302,138, 1,953,219.16 and 460,832.40

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Solution

The fourth proportional to 1,302,138, 1,953,219.16 and 460,832.40 is: 691,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,138 : 1,953,219.16 = 460,832.40 : x
  2. Step 2: Convert to fraction form
    1,302,138/1,953,219.16 = 460,832.40/x
  3. Step 3: Cross multiply
    1,302,138x = 1,953,219.16 × 460,832.40
  4. Step 4: Simplify right side
    1,302,138x = 900,106,673,228.78
  5. Step 5: Solve for x
    x = 900,106,673,228.78/1,302,138
  6. Step 6: Final answer
    x = 691,252.90

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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.