Home / 935,779.80-1,401,045.30-909,535.80

Finding the Fourth Proportional to 935,779.80, 1,401,045.30 and 909,535.80

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Solution

The fourth proportional to 935,779.80, 1,401,045.30 and 909,535.80 is: 1,361,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,779.80 : 1,401,045.30 = 909,535.80 : x
  2. Step 2: Convert to fraction form
    935,779.80/1,401,045.30 = 909,535.80/x
  3. Step 3: Cross multiply
    935,779.80x = 1,401,045.30 × 909,535.80
  4. Step 4: Simplify right side
    935,779.80x = 1,274,300,857,771.74
  5. Step 5: Solve for x
    x = 1,274,300,857,771.74/935,779.80
  6. Step 6: Final answer
    x = 1,361,752.90

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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.