Home / 671,001.12-926,007.14-384,576.62

Finding the Fourth Proportional to 671,001.12, 926,007.14 and 384,576.62

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Solution

The fourth proportional to 671,001.12, 926,007.14 and 384,576.62 is: 530,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,001.12 : 926,007.14 = 384,576.62 : x
  2. Step 2: Convert to fraction form
    671,001.12/926,007.14 = 384,576.62/x
  3. Step 3: Cross multiply
    671,001.12x = 926,007.14 × 384,576.62
  4. Step 4: Simplify right side
    671,001.12x = 356,120,695,997.07
  5. Step 5: Solve for x
    x = 356,120,695,997.07/671,001.12
  6. Step 6: Final answer
    x = 530,730.40

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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.