Home / 1,174,147.29-1,620,295.86-690,743.58

Finding the Fourth Proportional to 1,174,147.29, 1,620,295.86 and 690,743.58

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Solution

The fourth proportional to 1,174,147.29, 1,620,295.86 and 690,743.58 is: 953,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,147.29 : 1,620,295.86 = 690,743.58 : x
  2. Step 2: Convert to fraction form
    1,174,147.29/1,620,295.86 = 690,743.58/x
  3. Step 3: Cross multiply
    1,174,147.29x = 1,620,295.86 × 690,743.58
  4. Step 4: Simplify right side
    1,174,147.29x = 1,119,208,962,995.58
  5. Step 5: Solve for x
    x = 1,119,208,962,995.58/1,174,147.29
  6. Step 6: Final answer
    x = 953,210.02

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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.