Home / 1,133,401.70-1,700,102.55-985,779.20

Finding the Fourth Proportional to 1,133,401.70, 1,700,102.55 and 985,779.20

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Solution

The fourth proportional to 1,133,401.70, 1,700,102.55 and 985,779.20 is: 1,478,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,401.70 : 1,700,102.55 = 985,779.20 : x
  2. Step 2: Convert to fraction form
    1,133,401.70/1,700,102.55 = 985,779.20/x
  3. Step 3: Cross multiply
    1,133,401.70x = 1,700,102.55 × 985,779.20
  4. Step 4: Simplify right side
    1,133,401.70x = 1,675,925,731,656.96
  5. Step 5: Solve for x
    x = 1,675,925,731,656.96/1,133,401.70
  6. Step 6: Final answer
    x = 1,478,668.80

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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.