Home / 1,231,378.04-1,847,344.08-432,714.80

Finding the Fourth Proportional to 1,231,378.04, 1,847,344.08 and 432,714.80

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Solution

The fourth proportional to 1,231,378.04, 1,847,344.08 and 432,714.80 is: 649,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,378.04 : 1,847,344.08 = 432,714.80 : x
  2. Step 2: Convert to fraction form
    1,231,378.04/1,847,344.08 = 432,714.80/x
  3. Step 3: Cross multiply
    1,231,378.04x = 1,847,344.08 × 432,714.80
  4. Step 4: Simplify right side
    1,231,378.04x = 799,373,124,108.38
  5. Step 5: Solve for x
    x = 799,373,124,108.38/1,231,378.04
  6. Step 6: Final answer
    x = 649,169.55

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Double scale
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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.