Home / 900,344.37-1,242,380.42-537,717.90

Finding the Fourth Proportional to 900,344.37, 1,242,380.42 and 537,717.90

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Solution

The fourth proportional to 900,344.37, 1,242,380.42 and 537,717.90 is: 741,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,344.37 : 1,242,380.42 = 537,717.90 : x
  2. Step 2: Convert to fraction form
    900,344.37/1,242,380.42 = 537,717.90/x
  3. Step 3: Cross multiply
    900,344.37x = 1,242,380.42 × 537,717.90
  4. Step 4: Simplify right side
    900,344.37x = 668,050,190,443.52
  5. Step 5: Solve for x
    x = 668,050,190,443.52/900,344.37
  6. Step 6: Final answer
    x = 741,994.08

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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.