Home / 495,631.80-744,030.90-492,132.60

Finding the Fourth Proportional to 495,631.80, 744,030.90 and 492,132.60

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Solution

The fourth proportional to 495,631.80, 744,030.90 and 492,132.60 is: 738,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,631.80 : 744,030.90 = 492,132.60 : x
  2. Step 2: Convert to fraction form
    495,631.80/744,030.90 = 492,132.60/x
  3. Step 3: Cross multiply
    495,631.80x = 744,030.90 × 492,132.60
  4. Step 4: Simplify right side
    495,631.80x = 366,161,861,297.34
  5. Step 5: Solve for x
    x = 366,161,861,297.34/495,631.80
  6. Step 6: Final answer
    x = 738,777.98

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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.