Home / 816,059.55-1,126,128.07-453,480.16

Finding the Fourth Proportional to 816,059.55, 1,126,128.07 and 453,480.16

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Solution

The fourth proportional to 816,059.55, 1,126,128.07 and 453,480.16 is: 625,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,059.55 : 1,126,128.07 = 453,480.16 : x
  2. Step 2: Convert to fraction form
    816,059.55/1,126,128.07 = 453,480.16/x
  3. Step 3: Cross multiply
    816,059.55x = 1,126,128.07 × 453,480.16
  4. Step 4: Simplify right side
    816,059.55x = 510,676,737,364.09
  5. Step 5: Solve for x
    x = 510,676,737,364.09/816,059.55
  6. Step 6: Final answer
    x = 625,783.67

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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.