Home / 1,960,596.72-2,939,288.04-697,705.20

Finding the Fourth Proportional to 1,960,596.72, 2,939,288.04 and 697,705.20

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Solution

The fourth proportional to 1,960,596.72, 2,939,288.04 and 697,705.20 is: 1,045,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,596.72 : 2,939,288.04 = 697,705.20 : x
  2. Step 2: Convert to fraction form
    1,960,596.72/2,939,288.04 = 697,705.20/x
  3. Step 3: Cross multiply
    1,960,596.72x = 2,939,288.04 × 697,705.20
  4. Step 4: Simplify right side
    1,960,596.72x = 2,050,756,549,805.81
  5. Step 5: Solve for x
    x = 2,050,756,549,805.81/1,960,596.72
  6. Step 6: Final answer
    x = 1,045,985.91

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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.