Home / 530,764.55-732,468.18-289,060.28

Finding the Fourth Proportional to 530,764.55, 732,468.18 and 289,060.28

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Solution

The fourth proportional to 530,764.55, 732,468.18 and 289,060.28 is: 398,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,764.55 : 732,468.18 = 289,060.28 : x
  2. Step 2: Convert to fraction form
    530,764.55/732,468.18 = 289,060.28/x
  3. Step 3: Cross multiply
    530,764.55x = 732,468.18 × 289,060.28
  4. Step 4: Simplify right side
    530,764.55x = 211,727,457,370.28
  5. Step 5: Solve for x
    x = 211,727,457,370.28/530,764.55
  6. Step 6: Final answer
    x = 398,910.32

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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.