Home / 1,126,176.66-1,554,153.75-636,107.22

Finding the Fourth Proportional to 1,126,176.66, 1,554,153.75 and 636,107.22

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Solution

The fourth proportional to 1,126,176.66, 1,554,153.75 and 636,107.22 is: 877,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,176.66 : 1,554,153.75 = 636,107.22 : x
  2. Step 2: Convert to fraction form
    1,126,176.66/1,554,153.75 = 636,107.22/x
  3. Step 3: Cross multiply
    1,126,176.66x = 1,554,153.75 × 636,107.22
  4. Step 4: Simplify right side
    1,126,176.66x = 988,608,421,365.08
  5. Step 5: Solve for x
    x = 988,608,421,365.08/1,126,176.66
  6. Step 6: Final answer
    x = 877,844.89

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1.5x scale

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.