Home / 707,938.80-1,061,908.20-334,690.80

Finding the Fourth Proportional to 707,938.80, 1,061,908.20 and 334,690.80

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Solution

The fourth proportional to 707,938.80, 1,061,908.20 and 334,690.80 is: 502,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,938.80 : 1,061,908.20 = 334,690.80 : x
  2. Step 2: Convert to fraction form
    707,938.80/1,061,908.20 = 334,690.80/x
  3. Step 3: Cross multiply
    707,938.80x = 1,061,908.20 × 334,690.80
  4. Step 4: Simplify right side
    707,938.80x = 355,410,904,984.56
  5. Step 5: Solve for x
    x = 355,410,904,984.56/707,938.80
  6. Step 6: Final answer
    x = 502,036.20

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Double scale
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Similar ratio
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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.