Home / 535,645.10-739,188.21-293,931.72

Finding the Fourth Proportional to 535,645.10, 739,188.21 and 293,931.72

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Solution

The fourth proportional to 535,645.10, 739,188.21 and 293,931.72 is: 405,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,645.10 : 739,188.21 = 293,931.72 : x
  2. Step 2: Convert to fraction form
    535,645.10/739,188.21 = 293,931.72/x
  3. Step 3: Cross multiply
    535,645.10x = 739,188.21 × 293,931.72
  4. Step 4: Simplify right side
    535,645.10x = 217,270,863,071.27
  5. Step 5: Solve for x
    x = 217,270,863,071.27/535,645.10
  6. Step 6: Final answer
    x = 405,624.66

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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.