Home / 724,835.60-1,086,216.60-533,805.20

Finding the Fourth Proportional to 724,835.60, 1,086,216.60 and 533,805.20

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Solution

The fourth proportional to 724,835.60, 1,086,216.60 and 533,805.20 is: 799,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,835.60 : 1,086,216.60 = 533,805.20 : x
  2. Step 2: Convert to fraction form
    724,835.60/1,086,216.60 = 533,805.20/x
  3. Step 3: Cross multiply
    724,835.60x = 1,086,216.60 × 533,805.20
  4. Step 4: Simplify right side
    724,835.60x = 579,828,069,406.32
  5. Step 5: Solve for x
    x = 579,828,069,406.32/724,835.60
  6. Step 6: Final answer
    x = 799,944.25

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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.