Home / 811,809.80-1,217,714.70-496,104.20

Finding the Fourth Proportional to 811,809.80, 1,217,714.70 and 496,104.20

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Solution

The fourth proportional to 811,809.80, 1,217,714.70 and 496,104.20 is: 744,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,809.80 : 1,217,714.70 = 496,104.20 : x
  2. Step 2: Convert to fraction form
    811,809.80/1,217,714.70 = 496,104.20/x
  3. Step 3: Cross multiply
    811,809.80x = 1,217,714.70 × 496,104.20
  4. Step 4: Simplify right side
    811,809.80x = 604,113,377,071.74
  5. Step 5: Solve for x
    x = 604,113,377,071.74/811,809.80
  6. Step 6: Final answer
    x = 744,156.30

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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.