Home / 393,835.04-543,485.40-224,065.52

Finding the Fourth Proportional to 393,835.04, 543,485.40 and 224,065.52

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Solution

The fourth proportional to 393,835.04, 543,485.40 and 224,065.52 is: 309,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,835.04 : 543,485.40 = 224,065.52 : x
  2. Step 2: Convert to fraction form
    393,835.04/543,485.40 = 224,065.52/x
  3. Step 3: Cross multiply
    393,835.04x = 543,485.40 × 224,065.52
  4. Step 4: Simplify right side
    393,835.04x = 121,776,338,763.41
  5. Step 5: Solve for x
    x = 121,776,338,763.41/393,835.04
  6. Step 6: Final answer
    x = 309,206.46

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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.