Home / 816,554.16-1,126,882.13-454,015.17

Finding the Fourth Proportional to 816,554.16, 1,126,882.13 and 454,015.17

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Solution

The fourth proportional to 816,554.16, 1,126,882.13 and 454,015.17 is: 626,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,554.16 : 1,126,882.13 = 454,015.17 : x
  2. Step 2: Convert to fraction form
    816,554.16/1,126,882.13 = 454,015.17/x
  3. Step 3: Cross multiply
    816,554.16x = 1,126,882.13 × 454,015.17
  4. Step 4: Simplify right side
    816,554.16x = 511,621,579,551.84
  5. Step 5: Solve for x
    x = 511,621,579,551.84/816,554.16
  6. Step 6: Final answer
    x = 626,561.72

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Double scale
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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.