Home / 1,075,983.08-1,484,861.10-617,115.38

Finding the Fourth Proportional to 1,075,983.08, 1,484,861.10 and 617,115.38

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Solution

The fourth proportional to 1,075,983.08, 1,484,861.10 and 617,115.38 is: 851,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,983.08 : 1,484,861.10 = 617,115.38 : x
  2. Step 2: Convert to fraction form
    1,075,983.08/1,484,861.10 = 617,115.38/x
  3. Step 3: Cross multiply
    1,075,983.08x = 1,484,861.10 × 617,115.38
  4. Step 4: Simplify right side
    1,075,983.08x = 916,330,621,973.72
  5. Step 5: Solve for x
    x = 916,330,621,973.72/1,075,983.08
  6. Step 6: Final answer
    x = 851,621.78

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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.