Home / 1,019,426.67-1,529,178.89-520,207.47

Finding the Fourth Proportional to 1,019,426.67, 1,529,178.89 and 520,207.47

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Solution

The fourth proportional to 1,019,426.67, 1,529,178.89 and 520,207.47 is: 780,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,426.67 : 1,529,178.89 = 520,207.47 : x
  2. Step 2: Convert to fraction form
    1,019,426.67/1,529,178.89 = 520,207.47/x
  3. Step 3: Cross multiply
    1,019,426.67x = 1,529,178.89 × 520,207.47
  4. Step 4: Simplify right side
    1,019,426.67x = 795,490,278,943.27
  5. Step 5: Solve for x
    x = 795,490,278,943.27/1,019,426.67
  6. Step 6: Final answer
    x = 780,331.05

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1.5x scale

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.