Home / 1,358,665.84-2,038,348.68-516,758.32

Finding the Fourth Proportional to 1,358,665.84, 2,038,348.68 and 516,758.32

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Solution

The fourth proportional to 1,358,665.84, 2,038,348.68 and 516,758.32 is: 775,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,665.84 : 2,038,348.68 = 516,758.32 : x
  2. Step 2: Convert to fraction form
    1,358,665.84/2,038,348.68 = 516,758.32/x
  3. Step 3: Cross multiply
    1,358,665.84x = 2,038,348.68 × 516,758.32
  4. Step 4: Simplify right side
    1,358,665.84x = 1,053,333,639,451.02
  5. Step 5: Solve for x
    x = 1,053,333,639,451.02/1,358,665.84
  6. Step 6: Final answer
    x = 775,270.57

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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.