Home / 447,030.40-671,323.20-433,033.60

Finding the Fourth Proportional to 447,030.40, 671,323.20 and 433,033.60

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Solution

The fourth proportional to 447,030.40, 671,323.20 and 433,033.60 is: 650,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,030.40 : 671,323.20 = 433,033.60 : x
  2. Step 2: Convert to fraction form
    447,030.40/671,323.20 = 433,033.60/x
  3. Step 3: Cross multiply
    447,030.40x = 671,323.20 × 433,033.60
  4. Step 4: Simplify right side
    447,030.40x = 290,705,502,059.52
  5. Step 5: Solve for x
    x = 290,705,502,059.52/447,030.40
  6. Step 6: Final answer
    x = 650,303.65

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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.