Home / 433,359.20-649,779.60-223,407.20

Finding the Fourth Proportional to 433,359.20, 649,779.60 and 223,407.20

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Solution

The fourth proportional to 433,359.20, 649,779.60 and 223,407.20 is: 334,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,359.20 : 649,779.60 = 223,407.20 : x
  2. Step 2: Convert to fraction form
    433,359.20/649,779.60 = 223,407.20/x
  3. Step 3: Cross multiply
    433,359.20x = 649,779.60 × 223,407.20
  4. Step 4: Simplify right side
    433,359.20x = 145,165,441,053.12
  5. Step 5: Solve for x
    x = 145,165,441,053.12/433,359.20
  6. Step 6: Final answer
    x = 334,977.18

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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.