Home / 530,246.39-731,733.86-288,524.81

Finding the Fourth Proportional to 530,246.39, 731,733.86 and 288,524.81

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Solution

The fourth proportional to 530,246.39, 731,733.86 and 288,524.81 is: 398,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,246.39 : 731,733.86 = 288,524.81 : x
  2. Step 2: Convert to fraction form
    530,246.39/731,733.86 = 288,524.81/x
  3. Step 3: Cross multiply
    530,246.39x = 731,733.86 × 288,524.81
  4. Step 4: Simplify right side
    530,246.39x = 211,123,369,989.71
  5. Step 5: Solve for x
    x = 211,123,369,989.71/530,246.39
  6. Step 6: Final answer
    x = 398,160.88

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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.