Home / 1,136,176.80-1,704,265.20-575,138.40

Finding the Fourth Proportional to 1,136,176.80, 1,704,265.20 and 575,138.40

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Solution

The fourth proportional to 1,136,176.80, 1,704,265.20 and 575,138.40 is: 862,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,176.80 : 1,704,265.20 = 575,138.40 : x
  2. Step 2: Convert to fraction form
    1,136,176.80/1,704,265.20 = 575,138.40/x
  3. Step 3: Cross multiply
    1,136,176.80x = 1,704,265.20 × 575,138.40
  4. Step 4: Simplify right side
    1,136,176.80x = 980,188,360,303.68
  5. Step 5: Solve for x
    x = 980,188,360,303.68/1,136,176.80
  6. Step 6: Final answer
    x = 862,707.60

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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.