Home / 1,679,692-2,519,547.23-417,519.63

Finding the Fourth Proportional to 1,679,692, 2,519,547.23 and 417,519.63

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Solution

The fourth proportional to 1,679,692, 2,519,547.23 and 417,519.63 is: 626,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,692 : 2,519,547.23 = 417,519.63 : x
  2. Step 2: Convert to fraction form
    1,679,692/2,519,547.23 = 417,519.63/x
  3. Step 3: Cross multiply
    1,679,692x = 2,519,547.23 × 417,519.63
  4. Step 4: Simplify right side
    1,679,692x = 1,051,960,427,237.12
  5. Step 5: Solve for x
    x = 1,051,960,427,237.12/1,679,692
  6. Step 6: Final answer
    x = 626,281.74

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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.