Home / 724,820.40-1,087,230.60-535,863.60

Finding the Fourth Proportional to 724,820.40, 1,087,230.60 and 535,863.60

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Solution

The fourth proportional to 724,820.40, 1,087,230.60 and 535,863.60 is: 803,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,820.40 : 1,087,230.60 = 535,863.60 : x
  2. Step 2: Convert to fraction form
    724,820.40/1,087,230.60 = 535,863.60/x
  3. Step 3: Cross multiply
    724,820.40x = 1,087,230.60 × 535,863.60
  4. Step 4: Simplify right side
    724,820.40x = 582,607,303,346.16
  5. Step 5: Solve for x
    x = 582,607,303,346.16/724,820.40
  6. Step 6: Final answer
    x = 803,795.40

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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.