Home / 460,531.46-690,463.67-194,145.74

Finding the Fourth Proportional to 460,531.46, 690,463.67 and 194,145.74

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Solution

The fourth proportional to 460,531.46, 690,463.67 and 194,145.74 is: 291,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,531.46 : 690,463.67 = 194,145.74 : x
  2. Step 2: Convert to fraction form
    460,531.46/690,463.67 = 194,145.74/x
  3. Step 3: Cross multiply
    460,531.46x = 690,463.67 × 194,145.74
  4. Step 4: Simplify right side
    460,531.46x = 134,050,580,910.70
  5. Step 5: Solve for x
    x = 134,050,580,910.70/460,531.46
  6. Step 6: Final answer
    x = 291,078.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.