Home / 1,857,017.07-2,785,459.86-509,158.04

Finding the Fourth Proportional to 1,857,017.07, 2,785,459.86 and 509,158.04

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Solution

The fourth proportional to 1,857,017.07, 2,785,459.86 and 509,158.04 is: 763,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,017.07 : 2,785,459.86 = 509,158.04 : x
  2. Step 2: Convert to fraction form
    1,857,017.07/2,785,459.86 = 509,158.04/x
  3. Step 3: Cross multiply
    1,857,017.07x = 2,785,459.86 × 509,158.04
  4. Step 4: Simplify right side
    1,857,017.07x = 1,418,239,268,888.98
  5. Step 5: Solve for x
    x = 1,418,239,268,888.98/1,857,017.07
  6. Step 6: Final answer
    x = 763,719.03

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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.