Home / 530,904.92-732,622.90-301,432.12

Finding the Fourth Proportional to 530,904.92, 732,622.90 and 301,432.12

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Solution

The fourth proportional to 530,904.92, 732,622.90 and 301,432.12 is: 415,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,904.92 : 732,622.90 = 301,432.12 : x
  2. Step 2: Convert to fraction form
    530,904.92/732,622.90 = 301,432.12/x
  3. Step 3: Cross multiply
    530,904.92x = 732,622.90 × 301,432.12
  4. Step 4: Simplify right side
    530,904.92x = 220,836,073,907.55
  5. Step 5: Solve for x
    x = 220,836,073,907.55/530,904.92
  6. Step 6: Final answer
    x = 415,961.63

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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.