Home / 530,890.26-732,629.58-289,172.10

Finding the Fourth Proportional to 530,890.26, 732,629.58 and 289,172.10

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Solution

The fourth proportional to 530,890.26, 732,629.58 and 289,172.10 is: 399,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,890.26 : 732,629.58 = 289,172.10 : x
  2. Step 2: Convert to fraction form
    530,890.26/732,629.58 = 289,172.10/x
  3. Step 3: Cross multiply
    530,890.26x = 732,629.58 × 289,172.10
  4. Step 4: Simplify right side
    530,890.26x = 211,856,034,170.72
  5. Step 5: Solve for x
    x = 211,856,034,170.72/530,890.26
  6. Step 6: Final answer
    x = 399,058.05

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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.