Home / 1,255,636.40-1,883,770.85-357,078.14

Finding the Fourth Proportional to 1,255,636.40, 1,883,770.85 and 357,078.14

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Solution

The fourth proportional to 1,255,636.40, 1,883,770.85 and 357,078.14 is: 535,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,636.40 : 1,883,770.85 = 357,078.14 : x
  2. Step 2: Convert to fraction form
    1,255,636.40/1,883,770.85 = 357,078.14/x
  3. Step 3: Cross multiply
    1,255,636.40x = 1,883,770.85 × 357,078.14
  4. Step 4: Simplify right side
    1,255,636.40x = 672,653,391,304.22
  5. Step 5: Solve for x
    x = 672,653,391,304.22/1,255,636.40
  6. Step 6: Final answer
    x = 535,707.15

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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.