Home / 816,557.41-1,126,886.61-454,018.42

Finding the Fourth Proportional to 816,557.41, 1,126,886.61 and 454,018.42

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Solution

The fourth proportional to 816,557.41, 1,126,886.61 and 454,018.42 is: 626,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,557.41 : 1,126,886.61 = 454,018.42 : x
  2. Step 2: Convert to fraction form
    816,557.41/1,126,886.61 = 454,018.42/x
  3. Step 3: Cross multiply
    816,557.41x = 1,126,886.61 × 454,018.42
  4. Step 4: Simplify right side
    816,557.41x = 511,627,278,191.36
  5. Step 5: Solve for x
    x = 511,627,278,191.36/816,557.41
  6. Step 6: Final answer
    x = 626,566.21

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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.