Home / 1,820,909.70-2,731,364.55-622,652.40

Finding the Fourth Proportional to 1,820,909.70, 2,731,364.55 and 622,652.40

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Solution

The fourth proportional to 1,820,909.70, 2,731,364.55 and 622,652.40 is: 933,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,909.70 : 2,731,364.55 = 622,652.40 : x
  2. Step 2: Convert to fraction form
    1,820,909.70/2,731,364.55 = 622,652.40/x
  3. Step 3: Cross multiply
    1,820,909.70x = 2,731,364.55 × 622,652.40
  4. Step 4: Simplify right side
    1,820,909.70x = 1,700,690,692,332.42
  5. Step 5: Solve for x
    x = 1,700,690,692,332.42/1,820,909.70
  6. Step 6: Final answer
    x = 933,978.60

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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.