Home / 816,587.75-1,126,890.06-454,000.16

Finding the Fourth Proportional to 816,587.75, 1,126,890.06 and 454,000.16

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Solution

The fourth proportional to 816,587.75, 1,126,890.06 and 454,000.16 is: 626,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587.75 : 1,126,890.06 = 454,000.16 : x
  2. Step 2: Convert to fraction form
    816,587.75/1,126,890.06 = 454,000.16/x
  3. Step 3: Cross multiply
    816,587.75x = 1,126,890.06 × 454,000.16
  4. Step 4: Simplify right side
    816,587.75x = 511,608,261,907.96
  5. Step 5: Solve for x
    x = 511,608,261,907.96/816,587.75
  6. Step 6: Final answer
    x = 626,519.64

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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.