Home / 931,148.90-1,284,889.74-523,185.92

Finding the Fourth Proportional to 931,148.90, 1,284,889.74 and 523,185.92

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Solution

The fourth proportional to 931,148.90, 1,284,889.74 and 523,185.92 is: 721,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,148.90 : 1,284,889.74 = 523,185.92 : x
  2. Step 2: Convert to fraction form
    931,148.90/1,284,889.74 = 523,185.92/x
  3. Step 3: Cross multiply
    931,148.90x = 1,284,889.74 × 523,185.92
  4. Step 4: Simplify right side
    931,148.90x = 672,236,220,720.46
  5. Step 5: Solve for x
    x = 672,236,220,720.46/931,148.90
  6. Step 6: Final answer
    x = 721,942.77

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Double scale
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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.