Home / 816,359.84-1,126,590.06-448,852.51

Finding the Fourth Proportional to 816,359.84, 1,126,590.06 and 448,852.51

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Solution

The fourth proportional to 816,359.84, 1,126,590.06 and 448,852.51 is: 619,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,359.84 : 1,126,590.06 = 448,852.51 : x
  2. Step 2: Convert to fraction form
    816,359.84/1,126,590.06 = 448,852.51/x
  3. Step 3: Cross multiply
    816,359.84x = 1,126,590.06 × 448,852.51
  4. Step 4: Simplify right side
    816,359.84x = 505,672,776,172.05
  5. Step 5: Solve for x
    x = 505,672,776,172.05/816,359.84
  6. Step 6: Final answer
    x = 619,423.88

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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.