Home / 1,174,918.50-1,621,389.15-665,655.30

Finding the Fourth Proportional to 1,174,918.50, 1,621,389.15 and 665,655.30

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Solution

The fourth proportional to 1,174,918.50, 1,621,389.15 and 665,655.30 is: 918,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,918.50 : 1,621,389.15 = 665,655.30 : x
  2. Step 2: Convert to fraction form
    1,174,918.50/1,621,389.15 = 665,655.30/x
  3. Step 3: Cross multiply
    1,174,918.50x = 1,621,389.15 × 665,655.30
  4. Step 4: Simplify right side
    1,174,918.50x = 1,079,286,281,060.00
  5. Step 5: Solve for x
    x = 1,079,286,281,060.00/1,174,918.50
  6. Step 6: Final answer
    x = 918,605.23

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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.