Home / 530,834.76-732,556.71-289,118.43

Finding the Fourth Proportional to 530,834.76, 732,556.71 and 289,118.43

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Solution

The fourth proportional to 530,834.76, 732,556.71 and 289,118.43 is: 398,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,834.76 : 732,556.71 = 289,118.43 : x
  2. Step 2: Convert to fraction form
    530,834.76/732,556.71 = 289,118.43/x
  3. Step 3: Cross multiply
    530,834.76x = 732,556.71 × 289,118.43
  4. Step 4: Simplify right side
    530,834.76x = 211,795,645,881.17
  5. Step 5: Solve for x
    x = 211,795,645,881.17/530,834.76
  6. Step 6: Final answer
    x = 398,986.02

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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.