Home / 400,475.06-552,653.60-216,713.50

Finding the Fourth Proportional to 400,475.06, 552,653.60 and 216,713.50

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Solution

The fourth proportional to 400,475.06, 552,653.60 and 216,713.50 is: 299,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,475.06 : 552,653.60 = 216,713.50 : x
  2. Step 2: Convert to fraction form
    400,475.06/552,653.60 = 216,713.50/x
  3. Step 3: Cross multiply
    400,475.06x = 552,653.60 × 216,713.50
  4. Step 4: Simplify right side
    400,475.06x = 119,767,495,401.82
  5. Step 5: Solve for x
    x = 119,767,495,401.82/400,475.06
  6. Step 6: Final answer
    x = 299,063.55

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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.