Home / 659,621.96-910,278.60-373,135.94

Finding the Fourth Proportional to 659,621.96, 910,278.60 and 373,135.94

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Solution

The fourth proportional to 659,621.96, 910,278.60 and 373,135.94 is: 514,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,621.96 : 910,278.60 = 373,135.94 : x
  2. Step 2: Convert to fraction form
    659,621.96/910,278.60 = 373,135.94/x
  3. Step 3: Cross multiply
    659,621.96x = 910,278.60 × 373,135.94
  4. Step 4: Simplify right side
    659,621.96x = 339,657,661,072.88
  5. Step 5: Solve for x
    x = 339,657,661,072.88/659,621.96
  6. Step 6: Final answer
    x = 514,927.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.