Home / 840,173.54-1,159,240.20-477,568.86

Finding the Fourth Proportional to 840,173.54, 1,159,240.20 and 477,568.86

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Solution

The fourth proportional to 840,173.54, 1,159,240.20 and 477,568.86 is: 658,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,173.54 : 1,159,240.20 = 477,568.86 : x
  2. Step 2: Convert to fraction form
    840,173.54/1,159,240.20 = 477,568.86/x
  3. Step 3: Cross multiply
    840,173.54x = 1,159,240.20 × 477,568.86
  4. Step 4: Simplify right side
    840,173.54x = 553,617,015,537.58
  5. Step 5: Solve for x
    x = 553,617,015,537.58/840,173.54
  6. Step 6: Final answer
    x = 658,931.74

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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.