Home / 972,186.30-1,458,279.45-966,281.40

Finding the Fourth Proportional to 972,186.30, 1,458,279.45 and 966,281.40

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Solution

The fourth proportional to 972,186.30, 1,458,279.45 and 966,281.40 is: 1,449,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,186.30 : 1,458,279.45 = 966,281.40 : x
  2. Step 2: Convert to fraction form
    972,186.30/1,458,279.45 = 966,281.40/x
  3. Step 3: Cross multiply
    972,186.30x = 1,458,279.45 × 966,281.40
  4. Step 4: Simplify right side
    972,186.30x = 1,409,108,308,537.23
  5. Step 5: Solve for x
    x = 1,409,108,308,537.23/972,186.30
  6. Step 6: Final answer
    x = 1,449,422.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.