Home / 1,931,488.80-2,896,714.80-809,325.60

Finding the Fourth Proportional to 1,931,488.80, 2,896,714.80 and 809,325.60

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Solution

The fourth proportional to 1,931,488.80, 2,896,714.80 and 809,325.60 is: 1,213,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,488.80 : 2,896,714.80 = 809,325.60 : x
  2. Step 2: Convert to fraction form
    1,931,488.80/2,896,714.80 = 809,325.60/x
  3. Step 3: Cross multiply
    1,931,488.80x = 2,896,714.80 × 809,325.60
  4. Step 4: Simplify right side
    1,931,488.80x = 2,344,385,443,538.88
  5. Step 5: Solve for x
    x = 2,344,385,443,538.88/1,931,488.80
  6. Step 6: Final answer
    x = 1,213,771.18

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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.