Home / 807,384.60-1,210,040.10-619,464.60

Finding the Fourth Proportional to 807,384.60, 1,210,040.10 and 619,464.60

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Solution

The fourth proportional to 807,384.60, 1,210,040.10 and 619,464.60 is: 928,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,384.60 : 1,210,040.10 = 619,464.60 : x
  2. Step 2: Convert to fraction form
    807,384.60/1,210,040.10 = 619,464.60/x
  3. Step 3: Cross multiply
    807,384.60x = 1,210,040.10 × 619,464.60
  4. Step 4: Simplify right side
    807,384.60x = 749,577,006,530.46
  5. Step 5: Solve for x
    x = 749,577,006,530.46/807,384.60
  6. Step 6: Final answer
    x = 928,401.42

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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.