Home / 1,918,717.11-2,877,574.28-570,516.69

Finding the Fourth Proportional to 1,918,717.11, 2,877,574.28 and 570,516.69

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Solution

The fourth proportional to 1,918,717.11, 2,877,574.28 and 570,516.69 is: 855,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,717.11 : 2,877,574.28 = 570,516.69 : x
  2. Step 2: Convert to fraction form
    1,918,717.11/2,877,574.28 = 570,516.69/x
  3. Step 3: Cross multiply
    1,918,717.11x = 2,877,574.28 × 570,516.69
  4. Step 4: Simplify right side
    1,918,717.11x = 1,641,704,150,602.15
  5. Step 5: Solve for x
    x = 1,641,704,150,602.15/1,918,717.11
  6. Step 6: Final answer
    x = 855,625.95

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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.