Home / 939,855.17-1,297,001.34-510,135.19

Finding the Fourth Proportional to 939,855.17, 1,297,001.34 and 510,135.19

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Solution

The fourth proportional to 939,855.17, 1,297,001.34 and 510,135.19 is: 703,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,855.17 : 1,297,001.34 = 510,135.19 : x
  2. Step 2: Convert to fraction form
    939,855.17/1,297,001.34 = 510,135.19/x
  3. Step 3: Cross multiply
    939,855.17x = 1,297,001.34 × 510,135.19
  4. Step 4: Simplify right side
    939,855.17x = 661,646,021,768.65
  5. Step 5: Solve for x
    x = 661,646,021,768.65/939,855.17
  6. Step 6: Final answer
    x = 703,987.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.