Home / 985,822.53-1,471,602.48-866,248.30

Finding the Fourth Proportional to 985,822.53, 1,471,602.48 and 866,248.30

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Solution

The fourth proportional to 985,822.53, 1,471,602.48 and 866,248.30 is: 1,293,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,822.53 : 1,471,602.48 = 866,248.30 : x
  2. Step 2: Convert to fraction form
    985,822.53/1,471,602.48 = 866,248.30/x
  3. Step 3: Cross multiply
    985,822.53x = 1,471,602.48 × 866,248.30
  4. Step 4: Simplify right side
    985,822.53x = 1,274,773,146,575.78
  5. Step 5: Solve for x
    x = 1,274,773,146,575.78/985,822.53
  6. Step 6: Final answer
    x = 1,293,106.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.