Home / 575,132.40-862,698.60-540,140.40

Finding the Fourth Proportional to 575,132.40, 862,698.60 and 540,140.40

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Solution

The fourth proportional to 575,132.40, 862,698.60 and 540,140.40 is: 810,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,132.40 : 862,698.60 = 540,140.40 : x
  2. Step 2: Convert to fraction form
    575,132.40/862,698.60 = 540,140.40/x
  3. Step 3: Cross multiply
    575,132.40x = 862,698.60 × 540,140.40
  4. Step 4: Simplify right side
    575,132.40x = 465,978,366,883.44
  5. Step 5: Solve for x
    x = 465,978,366,883.44/575,132.40
  6. Step 6: Final answer
    x = 810,210.60

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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.