Home / 549,492.40-823,145.10-483,736.60

Finding the Fourth Proportional to 549,492.40, 823,145.10 and 483,736.60

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Solution

The fourth proportional to 549,492.40, 823,145.10 and 483,736.60 is: 724,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,492.40 : 823,145.10 = 483,736.60 : x
  2. Step 2: Convert to fraction form
    549,492.40/823,145.10 = 483,736.60/x
  3. Step 3: Cross multiply
    549,492.40x = 823,145.10 × 483,736.60
  4. Step 4: Simplify right side
    549,492.40x = 398,185,411,980.66
  5. Step 5: Solve for x
    x = 398,185,411,980.66/549,492.40
  6. Step 6: Final answer
    x = 724,642.26

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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.