Home / 1,114,436.90-1,671,895.38-345,918.62

Finding the Fourth Proportional to 1,114,436.90, 1,671,895.38 and 345,918.62

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Solution

The fourth proportional to 1,114,436.90, 1,671,895.38 and 345,918.62 is: 518,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,436.90 : 1,671,895.38 = 345,918.62 : x
  2. Step 2: Convert to fraction form
    1,114,436.90/1,671,895.38 = 345,918.62/x
  3. Step 3: Cross multiply
    1,114,436.90x = 1,671,895.38 × 345,918.62
  4. Step 4: Simplify right side
    1,114,436.90x = 578,339,742,633.98
  5. Step 5: Solve for x
    x = 578,339,742,633.98/1,114,436.90
  6. Step 6: Final answer
    x = 518,952.43

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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.