Home / 530,035.41-731,441.16-288,319.94

Finding the Fourth Proportional to 530,035.41, 731,441.16 and 288,319.94

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Solution

The fourth proportional to 530,035.41, 731,441.16 and 288,319.94 is: 397,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,035.41 : 731,441.16 = 288,319.94 : x
  2. Step 2: Convert to fraction form
    530,035.41/731,441.16 = 288,319.94/x
  3. Step 3: Cross multiply
    530,035.41x = 731,441.16 × 288,319.94
  4. Step 4: Simplify right side
    530,035.41x = 210,889,067,707.53
  5. Step 5: Solve for x
    x = 210,889,067,707.53/530,035.41
  6. Step 6: Final answer
    x = 397,877.32

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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.