Home / 495,330.80-742,996.20-492,220.40

Finding the Fourth Proportional to 495,330.80, 742,996.20 and 492,220.40

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Solution

The fourth proportional to 495,330.80, 742,996.20 and 492,220.40 is: 738,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,330.80 : 742,996.20 = 492,220.40 : x
  2. Step 2: Convert to fraction form
    495,330.80/742,996.20 = 492,220.40/x
  3. Step 3: Cross multiply
    495,330.80x = 742,996.20 × 492,220.40
  4. Step 4: Simplify right side
    495,330.80x = 365,717,886,762.48
  5. Step 5: Solve for x
    x = 365,717,886,762.48/495,330.80
  6. Step 6: Final answer
    x = 738,330.60

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Similar ratio
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1.5x scale

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.