Home / 530,913.42-732,634.63-301,440.62

Finding the Fourth Proportional to 530,913.42, 732,634.63 and 301,440.62

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Solution

The fourth proportional to 530,913.42, 732,634.63 and 301,440.62 is: 415,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,913.42 : 732,634.63 = 301,440.62 : x
  2. Step 2: Convert to fraction form
    530,913.42/732,634.63 = 301,440.62/x
  3. Step 3: Cross multiply
    530,913.42x = 732,634.63 × 301,440.62
  4. Step 4: Simplify right side
    530,913.42x = 220,845,837,100.67
  5. Step 5: Solve for x
    x = 220,845,837,100.67/530,913.42
  6. Step 6: Final answer
    x = 415,973.36

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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.