Home / 993,323.80-1,488,948.90-543,352.60

Finding the Fourth Proportional to 993,323.80, 1,488,948.90 and 543,352.60

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Solution

The fourth proportional to 993,323.80, 1,488,948.90 and 543,352.60 is: 814,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,323.80 : 1,488,948.90 = 543,352.60 : x
  2. Step 2: Convert to fraction form
    993,323.80/1,488,948.90 = 543,352.60/x
  3. Step 3: Cross multiply
    993,323.80x = 1,488,948.90 × 543,352.60
  4. Step 4: Simplify right side
    993,323.80x = 809,024,256,082.14
  5. Step 5: Solve for x
    x = 809,024,256,082.14/993,323.80
  6. Step 6: Final answer
    x = 814,461.77

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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.