Home / 1,000,353.87-1,380,619.76-570,535.47

Finding the Fourth Proportional to 1,000,353.87, 1,380,619.76 and 570,535.47

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Solution

The fourth proportional to 1,000,353.87, 1,380,619.76 and 570,535.47 is: 787,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,353.87 : 1,380,619.76 = 570,535.47 : x
  2. Step 2: Convert to fraction form
    1,000,353.87/1,380,619.76 = 570,535.47/x
  3. Step 3: Cross multiply
    1,000,353.87x = 1,380,619.76 × 570,535.47
  4. Step 4: Simplify right side
    1,000,353.87x = 787,692,540,810.21
  5. Step 5: Solve for x
    x = 787,692,540,810.21/1,000,353.87
  6. Step 6: Final answer
    x = 787,413.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.