Home / 1,539,140.40-2,306,697.30-827,636.40

Finding the Fourth Proportional to 1,539,140.40, 2,306,697.30 and 827,636.40

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Solution

The fourth proportional to 1,539,140.40, 2,306,697.30 and 827,636.40 is: 1,240,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,140.40 : 2,306,697.30 = 827,636.40 : x
  2. Step 2: Convert to fraction form
    1,539,140.40/2,306,697.30 = 827,636.40/x
  3. Step 3: Cross multiply
    1,539,140.40x = 2,306,697.30 × 827,636.40
  4. Step 4: Simplify right side
    1,539,140.40x = 1,909,106,649,261.72
  5. Step 5: Solve for x
    x = 1,909,106,649,261.72/1,539,140.40
  6. Step 6: Final answer
    x = 1,240,372.00

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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.