Home / 1,890,472.85-2,835,694.69-470,519.36

Finding the Fourth Proportional to 1,890,472.85, 2,835,694.69 and 470,519.36

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Solution

The fourth proportional to 1,890,472.85, 2,835,694.69 and 470,519.36 is: 705,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,472.85 : 2,835,694.69 = 470,519.36 : x
  2. Step 2: Convert to fraction form
    1,890,472.85/2,835,694.69 = 470,519.36/x
  3. Step 3: Cross multiply
    1,890,472.85x = 2,835,694.69 × 470,519.36
  4. Step 4: Simplify right side
    1,890,472.85x = 1,334,249,235,339.43
  5. Step 5: Solve for x
    x = 1,334,249,235,339.43/1,890,472.85
  6. Step 6: Final answer
    x = 705,775.40

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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.