Home / 530,395.43-731,615.16-323,569.32

Finding the Fourth Proportional to 530,395.43, 731,615.16 and 323,569.32

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Solution

The fourth proportional to 530,395.43, 731,615.16 and 323,569.32 is: 446,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,395.43 : 731,615.16 = 323,569.32 : x
  2. Step 2: Convert to fraction form
    530,395.43/731,615.16 = 323,569.32/x
  3. Step 3: Cross multiply
    530,395.43x = 731,615.16 × 323,569.32
  4. Step 4: Simplify right side
    530,395.43x = 236,728,219,822.89
  5. Step 5: Solve for x
    x = 236,728,219,822.89/530,395.43
  6. Step 6: Final answer
    x = 446,324.02

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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.