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Finding the Fourth Proportional to 822,459.48, 1,230,277.44 and 772,071

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Solution

The fourth proportional to 822,459.48, 1,230,277.44 and 772,071 is: 1,154,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,459.48 : 1,230,277.44 = 772,071 : x
  2. Step 2: Convert to fraction form
    822,459.48/1,230,277.44 = 772,071/x
  3. Step 3: Cross multiply
    822,459.48x = 1,230,277.44 × 772,071
  4. Step 4: Simplify right side
    822,459.48x = 949,861,533,378.24
  5. Step 5: Solve for x
    x = 949,861,533,378.24/822,459.48
  6. Step 6: Final answer
    x = 1,154,903.74

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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.