Home / 1,174,476.13-1,620,700.34-690,947.84

Finding the Fourth Proportional to 1,174,476.13, 1,620,700.34 and 690,947.84

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Solution

The fourth proportional to 1,174,476.13, 1,620,700.34 and 690,947.84 is: 953,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,476.13 : 1,620,700.34 = 690,947.84 : x
  2. Step 2: Convert to fraction form
    1,174,476.13/1,620,700.34 = 690,947.84/x
  3. Step 3: Cross multiply
    1,174,476.13x = 1,620,700.34 × 690,947.84
  4. Step 4: Simplify right side
    1,174,476.13x = 1,119,819,399,807.28
  5. Step 5: Solve for x
    x = 1,119,819,399,807.28/1,174,476.13
  6. Step 6: Final answer
    x = 953,462.89

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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.