Home / 1,043,477.80-1,564,964.70-435,937.78

Finding the Fourth Proportional to 1,043,477.80, 1,564,964.70 and 435,937.78

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Solution

The fourth proportional to 1,043,477.80, 1,564,964.70 and 435,937.78 is: 653,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,477.80 : 1,564,964.70 = 435,937.78 : x
  2. Step 2: Convert to fraction form
    1,043,477.80/1,564,964.70 = 435,937.78/x
  3. Step 3: Cross multiply
    1,043,477.80x = 1,564,964.70 × 435,937.78
  4. Step 4: Simplify right side
    1,043,477.80x = 682,227,237,096.37
  5. Step 5: Solve for x
    x = 682,227,237,096.37/1,043,477.80
  6. Step 6: Final answer
    x = 653,801.39

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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.