Home / 549,111.72-757,624.14-377,081.40

Finding the Fourth Proportional to 549,111.72, 757,624.14 and 377,081.40

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Solution

The fourth proportional to 549,111.72, 757,624.14 and 377,081.40 is: 520,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,111.72 : 757,624.14 = 377,081.40 : x
  2. Step 2: Convert to fraction form
    549,111.72/757,624.14 = 377,081.40/x
  3. Step 3: Cross multiply
    549,111.72x = 757,624.14 × 377,081.40
  4. Step 4: Simplify right side
    549,111.72x = 285,685,971,385.00
  5. Step 5: Solve for x
    x = 285,685,971,385.00/549,111.72
  6. Step 6: Final answer
    x = 520,269.30

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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.