Home / 836,406.78-1,154,203.74-473,823.24

Finding the Fourth Proportional to 836,406.78, 1,154,203.74 and 473,823.24

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Solution

The fourth proportional to 836,406.78, 1,154,203.74 and 473,823.24 is: 653,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,406.78 : 1,154,203.74 = 473,823.24 : x
  2. Step 2: Convert to fraction form
    836,406.78/1,154,203.74 = 473,823.24/x
  3. Step 3: Cross multiply
    836,406.78x = 1,154,203.74 × 473,823.24
  4. Step 4: Simplify right side
    836,406.78x = 546,888,555,706.92
  5. Step 5: Solve for x
    x = 546,888,555,706.92/836,406.78
  6. Step 6: Final answer
    x = 653,854.76

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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.