Home / 1,291,580.54-1,938,567.90-652,333.21

Finding the Fourth Proportional to 1,291,580.54, 1,938,567.90 and 652,333.21

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Solution

The fourth proportional to 1,291,580.54, 1,938,567.90 and 652,333.21 is: 979,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,580.54 : 1,938,567.90 = 652,333.21 : x
  2. Step 2: Convert to fraction form
    1,291,580.54/1,938,567.90 = 652,333.21/x
  3. Step 3: Cross multiply
    1,291,580.54x = 1,938,567.90 × 652,333.21
  4. Step 4: Simplify right side
    1,291,580.54x = 1,264,592,221,009.96
  5. Step 5: Solve for x
    x = 1,264,592,221,009.96/1,291,580.54
  6. Step 6: Final answer
    x = 979,104.42

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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.