Home / 1,174,885.16-1,621,421.70-665,591.72

Finding the Fourth Proportional to 1,174,885.16, 1,621,421.70 and 665,591.72

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Solution

The fourth proportional to 1,174,885.16, 1,621,421.70 and 665,591.72 is: 918,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,885.16 : 1,621,421.70 = 665,591.72 : x
  2. Step 2: Convert to fraction form
    1,174,885.16/1,621,421.70 = 665,591.72/x
  3. Step 3: Cross multiply
    1,174,885.16x = 1,621,421.70 × 665,591.72
  4. Step 4: Simplify right side
    1,174,885.16x = 1,079,204,858,148.32
  5. Step 5: Solve for x
    x = 1,079,204,858,148.32/1,174,885.16
  6. Step 6: Final answer
    x = 918,562.00

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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.