Home / 674,576.16-930,968.01-384,199.98

Finding the Fourth Proportional to 674,576.16, 930,968.01 and 384,199.98

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Solution

The fourth proportional to 674,576.16, 930,968.01 and 384,199.98 is: 530,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,576.16 : 930,968.01 = 384,199.98 : x
  2. Step 2: Convert to fraction form
    674,576.16/930,968.01 = 384,199.98/x
  3. Step 3: Cross multiply
    674,576.16x = 930,968.01 × 384,199.98
  4. Step 4: Simplify right side
    674,576.16x = 357,677,890,822.64
  5. Step 5: Solve for x
    x = 357,677,890,822.64/674,576.16
  6. Step 6: Final answer
    x = 530,226.11

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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.