Home / 314,824.80-472,237.20-302,577.60

Finding the Fourth Proportional to 314,824.80, 472,237.20 and 302,577.60

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Solution

The fourth proportional to 314,824.80, 472,237.20 and 302,577.60 is: 453,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,824.80 : 472,237.20 = 302,577.60 : x
  2. Step 2: Convert to fraction form
    314,824.80/472,237.20 = 302,577.60/x
  3. Step 3: Cross multiply
    314,824.80x = 472,237.20 × 302,577.60
  4. Step 4: Simplify right side
    314,824.80x = 142,888,398,606.72
  5. Step 5: Solve for x
    x = 142,888,398,606.72/314,824.80
  6. Step 6: Final answer
    x = 453,866.40

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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.