Home / 532,786.21-735,259.38-318,050.89

Finding the Fourth Proportional to 532,786.21, 735,259.38 and 318,050.89

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Solution

The fourth proportional to 532,786.21, 735,259.38 and 318,050.89 is: 438,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,786.21 : 735,259.38 = 318,050.89 : x
  2. Step 2: Convert to fraction form
    532,786.21/735,259.38 = 318,050.89/x
  3. Step 3: Cross multiply
    532,786.21x = 735,259.38 × 318,050.89
  4. Step 4: Simplify right side
    532,786.21x = 233,849,900,189.85
  5. Step 5: Solve for x
    x = 233,849,900,189.85/532,786.21
  6. Step 6: Final answer
    x = 438,918.83

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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.