Home / 549,635.04-758,494.67-304,635.42

Finding the Fourth Proportional to 549,635.04, 758,494.67 and 304,635.42

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Solution

The fourth proportional to 549,635.04, 758,494.67 and 304,635.42 is: 420,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,635.04 : 758,494.67 = 304,635.42 : x
  2. Step 2: Convert to fraction form
    549,635.04/758,494.67 = 304,635.42/x
  3. Step 3: Cross multiply
    549,635.04x = 758,494.67 × 304,635.42
  4. Step 4: Simplify right side
    549,635.04x = 231,064,340,840.03
  5. Step 5: Solve for x
    x = 231,064,340,840.03/549,635.04
  6. Step 6: Final answer
    x = 420,395.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.