Home / 366,350.20-549,525.30-340,689.40

Finding the Fourth Proportional to 366,350.20, 549,525.30 and 340,689.40

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Solution

The fourth proportional to 366,350.20, 549,525.30 and 340,689.40 is: 511,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,350.20 : 549,525.30 = 340,689.40 : x
  2. Step 2: Convert to fraction form
    366,350.20/549,525.30 = 340,689.40/x
  3. Step 3: Cross multiply
    366,350.20x = 549,525.30 × 340,689.40
  4. Step 4: Simplify right side
    366,350.20x = 187,217,444,741.82
  5. Step 5: Solve for x
    x = 187,217,444,741.82/366,350.20
  6. Step 6: Final answer
    x = 511,034.10

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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.