Home / 762,444.01-1,052,298.98-423,021.61

Finding the Fourth Proportional to 762,444.01, 1,052,298.98 and 423,021.61

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Solution

The fourth proportional to 762,444.01, 1,052,298.98 and 423,021.61 is: 583,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,444.01 : 1,052,298.98 = 423,021.61 : x
  2. Step 2: Convert to fraction form
    762,444.01/1,052,298.98 = 423,021.61/x
  3. Step 3: Cross multiply
    762,444.01x = 1,052,298.98 × 423,021.61
  4. Step 4: Simplify right side
    762,444.01x = 445,145,208,720.96
  5. Step 5: Solve for x
    x = 445,145,208,720.96/762,444.01
  6. Step 6: Final answer
    x = 583,839.87

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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.