Home / 1,865,719.57-2,798,595.02-517,987.28

Finding the Fourth Proportional to 1,865,719.57, 2,798,595.02 and 517,987.28

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Solution

The fourth proportional to 1,865,719.57, 2,798,595.02 and 517,987.28 is: 776,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,719.57 : 2,798,595.02 = 517,987.28 : x
  2. Step 2: Convert to fraction form
    1,865,719.57/2,798,595.02 = 517,987.28/x
  3. Step 3: Cross multiply
    1,865,719.57x = 2,798,595.02 × 517,987.28
  4. Step 4: Simplify right side
    1,865,719.57x = 1,449,636,622,231.35
  5. Step 5: Solve for x
    x = 1,449,636,622,231.35/1,865,719.57
  6. Step 6: Final answer
    x = 776,985.27

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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.