Home / 549,675.10-824,512.65-455,196.70

Finding the Fourth Proportional to 549,675.10, 824,512.65 and 455,196.70

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Solution

The fourth proportional to 549,675.10, 824,512.65 and 455,196.70 is: 682,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,675.10 : 824,512.65 = 455,196.70 : x
  2. Step 2: Convert to fraction form
    549,675.10/824,512.65 = 455,196.70/x
  3. Step 3: Cross multiply
    549,675.10x = 824,512.65 × 455,196.70
  4. Step 4: Simplify right side
    549,675.10x = 375,315,437,388.26
  5. Step 5: Solve for x
    x = 375,315,437,388.26/549,675.10
  6. Step 6: Final answer
    x = 682,795.05

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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.