Home / 987,768.04-1,363,126.44-535,059.04

Finding the Fourth Proportional to 987,768.04, 1,363,126.44 and 535,059.04

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Solution

The fourth proportional to 987,768.04, 1,363,126.44 and 535,059.04 is: 738,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,768.04 : 1,363,126.44 = 535,059.04 : x
  2. Step 2: Convert to fraction form
    987,768.04/1,363,126.44 = 535,059.04/x
  3. Step 3: Cross multiply
    987,768.04x = 1,363,126.44 × 535,059.04
  4. Step 4: Simplify right side
    987,768.04x = 729,353,124,385.02
  5. Step 5: Solve for x
    x = 729,353,124,385.02/987,768.04
  6. Step 6: Final answer
    x = 738,385.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.