Home / 623,521.80-935,558.10-303,496.20

Finding the Fourth Proportional to 623,521.80, 935,558.10 and 303,496.20

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Solution

The fourth proportional to 623,521.80, 935,558.10 and 303,496.20 is: 455,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,521.80 : 935,558.10 = 303,496.20 : x
  2. Step 2: Convert to fraction form
    623,521.80/935,558.10 = 303,496.20/x
  3. Step 3: Cross multiply
    623,521.80x = 935,558.10 × 303,496.20
  4. Step 4: Simplify right side
    623,521.80x = 283,938,328,229.22
  5. Step 5: Solve for x
    x = 283,938,328,229.22/623,521.80
  6. Step 6: Final answer
    x = 455,378.35

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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.