Home / 623,335.20-935,002.80-202,653.60

Finding the Fourth Proportional to 623,335.20, 935,002.80 and 202,653.60

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Solution

The fourth proportional to 623,335.20, 935,002.80 and 202,653.60 is: 303,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,335.20 : 935,002.80 = 202,653.60 : x
  2. Step 2: Convert to fraction form
    623,335.20/935,002.80 = 202,653.60/x
  3. Step 3: Cross multiply
    623,335.20x = 935,002.80 × 202,653.60
  4. Step 4: Simplify right side
    623,335.20x = 189,481,683,430.08
  5. Step 5: Solve for x
    x = 189,481,683,430.08/623,335.20
  6. Step 6: Final answer
    x = 303,980.40

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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.