Home / 940,436.45-1,298,199.65-634,926.72

Finding the Fourth Proportional to 940,436.45, 1,298,199.65 and 634,926.72

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Solution

The fourth proportional to 940,436.45, 1,298,199.65 and 634,926.72 is: 876,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,436.45 : 1,298,199.65 = 634,926.72 : x
  2. Step 2: Convert to fraction form
    940,436.45/1,298,199.65 = 634,926.72/x
  3. Step 3: Cross multiply
    940,436.45x = 1,298,199.65 × 634,926.72
  4. Step 4: Simplify right side
    940,436.45x = 824,261,642,505.01
  5. Step 5: Solve for x
    x = 824,261,642,505.01/940,436.45
  6. Step 6: Final answer
    x = 876,467.14

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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.