Home / 1,165,206.96-1,607,981.40-655,910.64

Finding the Fourth Proportional to 1,165,206.96, 1,607,981.40 and 655,910.64

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Solution

The fourth proportional to 1,165,206.96, 1,607,981.40 and 655,910.64 is: 905,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,206.96 : 1,607,981.40 = 655,910.64 : x
  2. Step 2: Convert to fraction form
    1,165,206.96/1,607,981.40 = 655,910.64/x
  3. Step 3: Cross multiply
    1,165,206.96x = 1,607,981.40 × 655,910.64
  4. Step 4: Simplify right side
    1,165,206.96x = 1,054,692,109,182.10
  5. Step 5: Solve for x
    x = 1,054,692,109,182.10/1,165,206.96
  6. Step 6: Final answer
    x = 905,154.32

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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.