Home / 384,602.24-530,723.70-212,518.35

Finding the Fourth Proportional to 384,602.24, 530,723.70 and 212,518.35

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Solution

The fourth proportional to 384,602.24, 530,723.70 and 212,518.35 is: 293,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,602.24 : 530,723.70 = 212,518.35 : x
  2. Step 2: Convert to fraction form
    384,602.24/530,723.70 = 212,518.35/x
  3. Step 3: Cross multiply
    384,602.24x = 530,723.70 × 212,518.35
  4. Step 4: Simplify right side
    384,602.24x = 112,788,525,029.90
  5. Step 5: Solve for x
    x = 112,788,525,029.90/384,602.24
  6. Step 6: Final answer
    x = 293,260.19

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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.