Home / 1,291,579.54-1,938,566.40-652,332.21

Finding the Fourth Proportional to 1,291,579.54, 1,938,566.40 and 652,332.21

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Solution

The fourth proportional to 1,291,579.54, 1,938,566.40 and 652,332.21 is: 979,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,579.54 : 1,938,566.40 = 652,332.21 : x
  2. Step 2: Convert to fraction form
    1,291,579.54/1,938,566.40 = 652,332.21/x
  3. Step 3: Cross multiply
    1,291,579.54x = 1,938,566.40 × 652,332.21
  4. Step 4: Simplify right side
    1,291,579.54x = 1,264,589,303,943.74
  5. Step 5: Solve for x
    x = 1,264,589,303,943.74/1,291,579.54
  6. Step 6: Final answer
    x = 979,102.92

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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.