Home / 1,131,191.60-1,696,699.16-657,574.88

Finding the Fourth Proportional to 1,131,191.60, 1,696,699.16 and 657,574.88

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Solution

The fourth proportional to 1,131,191.60, 1,696,699.16 and 657,574.88 is: 986,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,191.60 : 1,696,699.16 = 657,574.88 : x
  2. Step 2: Convert to fraction form
    1,131,191.60/1,696,699.16 = 657,574.88/x
  3. Step 3: Cross multiply
    1,131,191.60x = 1,696,699.16 × 657,574.88
  4. Step 4: Simplify right side
    1,131,191.60x = 1,115,706,746,533.10
  5. Step 5: Solve for x
    x = 1,115,706,746,533.10/1,131,191.60
  6. Step 6: Final answer
    x = 986,311.03

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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.