Home / 384,356.70-530,401.23-214,587.18

Finding the Fourth Proportional to 384,356.70, 530,401.23 and 214,587.18

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Solution

The fourth proportional to 384,356.70, 530,401.23 and 214,587.18 is: 296,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,356.70 : 530,401.23 = 214,587.18 : x
  2. Step 2: Convert to fraction form
    384,356.70/530,401.23 = 214,587.18/x
  3. Step 3: Cross multiply
    384,356.70x = 530,401.23 × 214,587.18
  4. Step 4: Simplify right side
    384,356.70x = 113,817,304,214.23
  5. Step 5: Solve for x
    x = 113,817,304,214.23/384,356.70
  6. Step 6: Final answer
    x = 296,124.16

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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.