Home / 1,191,482.89-1,786,219.81-517,056.12

Finding the Fourth Proportional to 1,191,482.89, 1,786,219.81 and 517,056.12

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Solution

The fourth proportional to 1,191,482.89, 1,786,219.81 and 517,056.12 is: 775,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,482.89 : 1,786,219.81 = 517,056.12 : x
  2. Step 2: Convert to fraction form
    1,191,482.89/1,786,219.81 = 517,056.12/x
  3. Step 3: Cross multiply
    1,191,482.89x = 1,786,219.81 × 517,056.12
  4. Step 4: Simplify right side
    1,191,482.89x = 923,575,883,133.10
  5. Step 5: Solve for x
    x = 923,575,883,133.10/1,191,482.89
  6. Step 6: Final answer
    x = 775,148.26

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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.