Home / 1,271,965.60-1,907,457.36-542,025.28

Finding the Fourth Proportional to 1,271,965.60, 1,907,457.36 and 542,025.28

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Solution

The fourth proportional to 1,271,965.60, 1,907,457.36 and 542,025.28 is: 812,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,965.60 : 1,907,457.36 = 542,025.28 : x
  2. Step 2: Convert to fraction form
    1,271,965.60/1,907,457.36 = 542,025.28/x
  3. Step 3: Cross multiply
    1,271,965.60x = 1,907,457.36 × 542,025.28
  4. Step 4: Simplify right side
    1,271,965.60x = 1,033,890,109,642.06
  5. Step 5: Solve for x
    x = 1,033,890,109,642.06/1,271,965.60
  6. Step 6: Final answer
    x = 812,828.67

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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.