Home / 1,001,685.19-1,502,505.87-243,530.68

Finding the Fourth Proportional to 1,001,685.19, 1,502,505.87 and 243,530.68

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Solution

The fourth proportional to 1,001,685.19, 1,502,505.87 and 243,530.68 is: 365,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,685.19 : 1,502,505.87 = 243,530.68 : x
  2. Step 2: Convert to fraction form
    1,001,685.19/1,502,505.87 = 243,530.68/x
  3. Step 3: Cross multiply
    1,001,685.19x = 1,502,505.87 × 243,530.68
  4. Step 4: Simplify right side
    1,001,685.19x = 365,906,276,225.09
  5. Step 5: Solve for x
    x = 365,906,276,225.09/1,001,685.19
  6. Step 6: Final answer
    x = 365,290.69

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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.