Home / 1,246,155.04-1,869,232.80-393,313

Finding the Fourth Proportional to 1,246,155.04, 1,869,232.80 and 393,313

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Solution

The fourth proportional to 1,246,155.04, 1,869,232.80 and 393,313 is: 589,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,155.04 : 1,869,232.80 = 393,313 : x
  2. Step 2: Convert to fraction form
    1,246,155.04/1,869,232.80 = 393,313/x
  3. Step 3: Cross multiply
    1,246,155.04x = 1,869,232.80 × 393,313
  4. Step 4: Simplify right side
    1,246,155.04x = 735,193,560,266.40
  5. Step 5: Solve for x
    x = 735,193,560,266.40/1,246,155.04
  6. Step 6: Final answer
    x = 589,969.58

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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.