Home / 569,623.95-853,688.50-419,159.70

Finding the Fourth Proportional to 569,623.95, 853,688.50 and 419,159.70

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Solution

The fourth proportional to 569,623.95, 853,688.50 and 419,159.70 is: 628,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,623.95 : 853,688.50 = 419,159.70 : x
  2. Step 2: Convert to fraction form
    569,623.95/853,688.50 = 419,159.70/x
  3. Step 3: Cross multiply
    569,623.95x = 853,688.50 × 419,159.70
  4. Step 4: Simplify right side
    569,623.95x = 357,831,814,505.55
  5. Step 5: Solve for x
    x = 357,831,814,505.55/569,623.95
  6. Step 6: Final answer
    x = 628,189.55

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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.