Home / 1,011,533.76-1,517,526.60-380,453.04

Finding the Fourth Proportional to 1,011,533.76, 1,517,526.60 and 380,453.04

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Solution

The fourth proportional to 1,011,533.76, 1,517,526.60 and 380,453.04 is: 570,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,533.76 : 1,517,526.60 = 380,453.04 : x
  2. Step 2: Convert to fraction form
    1,011,533.76/1,517,526.60 = 380,453.04/x
  3. Step 3: Cross multiply
    1,011,533.76x = 1,517,526.60 × 380,453.04
  4. Step 4: Simplify right side
    1,011,533.76x = 577,347,608,250.86
  5. Step 5: Solve for x
    x = 577,347,608,250.86/1,011,533.76
  6. Step 6: Final answer
    x = 570,764.55

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1.5x scale

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.