Home / 786,353.40-1,179,530.10-773,231.40

Finding the Fourth Proportional to 786,353.40, 1,179,530.10 and 773,231.40

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Solution

The fourth proportional to 786,353.40, 1,179,530.10 and 773,231.40 is: 1,159,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,353.40 : 1,179,530.10 = 773,231.40 : x
  2. Step 2: Convert to fraction form
    786,353.40/1,179,530.10 = 773,231.40/x
  3. Step 3: Cross multiply
    786,353.40x = 1,179,530.10 × 773,231.40
  4. Step 4: Simplify right side
    786,353.40x = 912,049,710,565.14
  5. Step 5: Solve for x
    x = 912,049,710,565.14/786,353.40
  6. Step 6: Final answer
    x = 1,159,847.10

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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.