Home / 443,526.62-612,066.97-239,577.54

Finding the Fourth Proportional to 443,526.62, 612,066.97 and 239,577.54

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Solution

The fourth proportional to 443,526.62, 612,066.97 and 239,577.54 is: 330,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,526.62 : 612,066.97 = 239,577.54 : x
  2. Step 2: Convert to fraction form
    443,526.62/612,066.97 = 239,577.54/x
  3. Step 3: Cross multiply
    443,526.62x = 612,066.97 × 239,577.54
  4. Step 4: Simplify right side
    443,526.62x = 146,637,495,927.52
  5. Step 5: Solve for x
    x = 146,637,495,927.52/443,526.62
  6. Step 6: Final answer
    x = 330,617.12

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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.