Home / 1,124,166.20-1,685,666.10-413,828.60

Finding the Fourth Proportional to 1,124,166.20, 1,685,666.10 and 413,828.60

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Solution

The fourth proportional to 1,124,166.20, 1,685,666.10 and 413,828.60 is: 620,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,166.20 : 1,685,666.10 = 413,828.60 : x
  2. Step 2: Convert to fraction form
    1,124,166.20/1,685,666.10 = 413,828.60/x
  3. Step 3: Cross multiply
    1,124,166.20x = 1,685,666.10 × 413,828.60
  4. Step 4: Simplify right side
    1,124,166.20x = 697,576,842,230.46
  5. Step 5: Solve for x
    x = 697,576,842,230.46/1,124,166.20
  6. Step 6: Final answer
    x = 620,528.21

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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.