Home / 623,555.80-935,609.10-303,530.20

Finding the Fourth Proportional to 623,555.80, 935,609.10 and 303,530.20

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Solution

The fourth proportional to 623,555.80, 935,609.10 and 303,530.20 is: 455,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,555.80 : 935,609.10 = 303,530.20 : x
  2. Step 2: Convert to fraction form
    623,555.80/935,609.10 = 303,530.20/x
  3. Step 3: Cross multiply
    623,555.80x = 935,609.10 × 303,530.20
  4. Step 4: Simplify right side
    623,555.80x = 283,985,617,244.82
  5. Step 5: Solve for x
    x = 283,985,617,244.82/623,555.80
  6. Step 6: Final answer
    x = 455,429.36

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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.