Home / 1,119,783.80-1,679,675.70-986,814.20

Finding the Fourth Proportional to 1,119,783.80, 1,679,675.70 and 986,814.20

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Solution

The fourth proportional to 1,119,783.80, 1,679,675.70 and 986,814.20 is: 1,480,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,783.80 : 1,679,675.70 = 986,814.20 : x
  2. Step 2: Convert to fraction form
    1,119,783.80/1,679,675.70 = 986,814.20/x
  3. Step 3: Cross multiply
    1,119,783.80x = 1,679,675.70 × 986,814.20
  4. Step 4: Simplify right side
    1,119,783.80x = 1,657,527,832,154.94
  5. Step 5: Solve for x
    x = 1,657,527,832,154.94/1,119,783.80
  6. Step 6: Final answer
    x = 1,480,221.30

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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.