Home / 549,259.35-823,588.68-436,133.84

Finding the Fourth Proportional to 549,259.35, 823,588.68 and 436,133.84

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Solution

The fourth proportional to 549,259.35, 823,588.68 and 436,133.84 is: 653,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,259.35 : 823,588.68 = 436,133.84 : x
  2. Step 2: Convert to fraction form
    549,259.35/823,588.68 = 436,133.84/x
  3. Step 3: Cross multiply
    549,259.35x = 823,588.68 × 436,133.84
  4. Step 4: Simplify right side
    549,259.35x = 359,194,891,953.43
  5. Step 5: Solve for x
    x = 359,194,891,953.43/549,259.35
  6. Step 6: Final answer
    x = 653,962.27

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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.