Home / 1,346,687.07-2,019,685.01-399,838.11

Finding the Fourth Proportional to 1,346,687.07, 2,019,685.01 and 399,838.11

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Solution

The fourth proportional to 1,346,687.07, 2,019,685.01 and 399,838.11 is: 599,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,687.07 : 2,019,685.01 = 399,838.11 : x
  2. Step 2: Convert to fraction form
    1,346,687.07/2,019,685.01 = 399,838.11/x
  3. Step 3: Cross multiply
    1,346,687.07x = 2,019,685.01 × 399,838.11
  4. Step 4: Simplify right side
    1,346,687.07x = 807,547,035,194.54
  5. Step 5: Solve for x
    x = 807,547,035,194.54/1,346,687.07
  6. Step 6: Final answer
    x = 599,654.55

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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.