Home / 1,091,554.15-1,637,227.04-515,043.34

Finding the Fourth Proportional to 1,091,554.15, 1,637,227.04 and 515,043.34

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Solution

The fourth proportional to 1,091,554.15, 1,637,227.04 and 515,043.34 is: 772,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,554.15 : 1,637,227.04 = 515,043.34 : x
  2. Step 2: Convert to fraction form
    1,091,554.15/1,637,227.04 = 515,043.34/x
  3. Step 3: Cross multiply
    1,091,554.15x = 1,637,227.04 × 515,043.34
  4. Step 4: Simplify right side
    1,091,554.15x = 843,242,883,019.91
  5. Step 5: Solve for x
    x = 843,242,883,019.91/1,091,554.15
  6. Step 6: Final answer
    x = 772,515.85

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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.