Home / 1,685,106.78-2,527,411-619,899.74

Finding the Fourth Proportional to 1,685,106.78, 2,527,411 and 619,899.74

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Solution

The fourth proportional to 1,685,106.78, 2,527,411 and 619,899.74 is: 929,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,106.78 : 2,527,411 = 619,899.74 : x
  2. Step 2: Convert to fraction form
    1,685,106.78/2,527,411 = 619,899.74/x
  3. Step 3: Cross multiply
    1,685,106.78x = 2,527,411 × 619,899.74
  4. Step 4: Simplify right side
    1,685,106.78x = 1,566,741,421,773.14
  5. Step 5: Solve for x
    x = 1,566,741,421,773.14/1,685,106.78
  6. Step 6: Final answer
    x = 929,757.95

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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.