Home / 1,455,431.40-2,183,147.10-1,058,855.40

Finding the Fourth Proportional to 1,455,431.40, 2,183,147.10 and 1,058,855.40

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Solution

The fourth proportional to 1,455,431.40, 2,183,147.10 and 1,058,855.40 is: 1,588,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,431.40 : 2,183,147.10 = 1,058,855.40 : x
  2. Step 2: Convert to fraction form
    1,455,431.40/2,183,147.10 = 1,058,855.40/x
  3. Step 3: Cross multiply
    1,455,431.40x = 2,183,147.10 × 1,058,855.40
  4. Step 4: Simplify right side
    1,455,431.40x = 2,311,637,095,829.34
  5. Step 5: Solve for x
    x = 2,311,637,095,829.34/1,455,431.40
  6. Step 6: Final answer
    x = 1,588,283.10

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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.