Home / 724,230.40-1,086,345.60-537,606.40

Finding the Fourth Proportional to 724,230.40, 1,086,345.60 and 537,606.40

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Solution

The fourth proportional to 724,230.40, 1,086,345.60 and 537,606.40 is: 806,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,230.40 : 1,086,345.60 = 537,606.40 : x
  2. Step 2: Convert to fraction form
    724,230.40/1,086,345.60 = 537,606.40/x
  3. Step 3: Cross multiply
    724,230.40x = 1,086,345.60 × 537,606.40
  4. Step 4: Simplify right side
    724,230.40x = 584,026,347,171.84
  5. Step 5: Solve for x
    x = 584,026,347,171.84/724,230.40
  6. Step 6: Final answer
    x = 806,409.60

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Double scale
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Similar ratio
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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.