Home / 1,074,785.75-1,612,192.46-316,454.80

Finding the Fourth Proportional to 1,074,785.75, 1,612,192.46 and 316,454.80

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Solution

The fourth proportional to 1,074,785.75, 1,612,192.46 and 316,454.80 is: 474,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,785.75 : 1,612,192.46 = 316,454.80 : x
  2. Step 2: Convert to fraction form
    1,074,785.75/1,612,192.46 = 316,454.80/x
  3. Step 3: Cross multiply
    1,074,785.75x = 1,612,192.46 × 316,454.80
  4. Step 4: Simplify right side
    1,074,785.75x = 510,186,042,490.81
  5. Step 5: Solve for x
    x = 510,186,042,490.81/1,074,785.75
  6. Step 6: Final answer
    x = 474,686.27

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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.