Home / 1,075,305.94-1,612,963.13-435,621.77

Finding the Fourth Proportional to 1,075,305.94, 1,612,963.13 and 435,621.77

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Solution

The fourth proportional to 1,075,305.94, 1,612,963.13 and 435,621.77 is: 653,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,305.94 : 1,612,963.13 = 435,621.77 : x
  2. Step 2: Convert to fraction form
    1,075,305.94/1,612,963.13 = 435,621.77/x
  3. Step 3: Cross multiply
    1,075,305.94x = 1,612,963.13 × 435,621.77
  4. Step 4: Simplify right side
    1,075,305.94x = 702,641,853,635.34
  5. Step 5: Solve for x
    x = 702,641,853,635.34/1,075,305.94
  6. Step 6: Final answer
    x = 653,434.36

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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.