Home / 940,440.96-1,298,205.66-634,931.03

Finding the Fourth Proportional to 940,440.96, 1,298,205.66 and 634,931.03

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Solution

The fourth proportional to 940,440.96, 1,298,205.66 and 634,931.03 is: 876,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,440.96 : 1,298,205.66 = 634,931.03 : x
  2. Step 2: Convert to fraction form
    940,440.96/1,298,205.66 = 634,931.03/x
  3. Step 3: Cross multiply
    940,440.96x = 1,298,205.66 × 634,931.03
  4. Step 4: Simplify right side
    940,440.96x = 824,271,056,855.63
  5. Step 5: Solve for x
    x = 824,271,056,855.63/940,440.96
  6. Step 6: Final answer
    x = 876,472.94

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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.