Home / 1,036,631.80-1,555,638.90-475,377.40

Finding the Fourth Proportional to 1,036,631.80, 1,555,638.90 and 475,377.40

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Solution

The fourth proportional to 1,036,631.80, 1,555,638.90 and 475,377.40 is: 713,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,631.80 : 1,555,638.90 = 475,377.40 : x
  2. Step 2: Convert to fraction form
    1,036,631.80/1,555,638.90 = 475,377.40/x
  3. Step 3: Cross multiply
    1,036,631.80x = 1,555,638.90 × 475,377.40
  4. Step 4: Simplify right side
    1,036,631.80x = 739,515,575,620.86
  5. Step 5: Solve for x
    x = 739,515,575,620.86/1,036,631.80
  6. Step 6: Final answer
    x = 713,383.07

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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.