Home / 549,354-824,036.13-194,428.20

Finding the Fourth Proportional to 549,354, 824,036.13 and 194,428.20

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Solution

The fourth proportional to 549,354, 824,036.13 and 194,428.20 is: 291,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,354 : 824,036.13 = 194,428.20 : x
  2. Step 2: Convert to fraction form
    549,354/824,036.13 = 194,428.20/x
  3. Step 3: Cross multiply
    549,354x = 824,036.13 × 194,428.20
  4. Step 4: Simplify right side
    549,354x = 160,215,861,490.87
  5. Step 5: Solve for x
    x = 160,215,861,490.87/549,354
  6. Step 6: Final answer
    x = 291,644.12

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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.