Home / 549,474.90-823,118.85-483,719.10

Finding the Fourth Proportional to 549,474.90, 823,118.85 and 483,719.10

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Solution

The fourth proportional to 549,474.90, 823,118.85 and 483,719.10 is: 724,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,474.90 : 823,118.85 = 483,719.10 : x
  2. Step 2: Convert to fraction form
    549,474.90/823,118.85 = 483,719.10/x
  3. Step 3: Cross multiply
    549,474.90x = 823,118.85 × 483,719.10
  4. Step 4: Simplify right side
    549,474.90x = 398,158,309,315.04
  5. Step 5: Solve for x
    x = 398,158,309,315.04/549,474.90
  6. Step 6: Final answer
    x = 724,616.01

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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.