Home / 549,780.80-824,671.20-194,830.70

Finding the Fourth Proportional to 549,780.80, 824,671.20 and 194,830.70

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Solution

The fourth proportional to 549,780.80, 824,671.20 and 194,830.70 is: 292,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,780.80 : 824,671.20 = 194,830.70 : x
  2. Step 2: Convert to fraction form
    549,780.80/824,671.20 = 194,830.70/x
  3. Step 3: Cross multiply
    549,780.80x = 824,671.20 × 194,830.70
  4. Step 4: Simplify right side
    549,780.80x = 160,671,267,165.84
  5. Step 5: Solve for x
    x = 160,671,267,165.84/549,780.80
  6. Step 6: Final answer
    x = 292,246.05

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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.