Home / 762,626.54-1,052,457.60-456,752.72

Finding the Fourth Proportional to 762,626.54, 1,052,457.60 and 456,752.72

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Solution

The fourth proportional to 762,626.54, 1,052,457.60 and 456,752.72 is: 630,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,626.54 : 1,052,457.60 = 456,752.72 : x
  2. Step 2: Convert to fraction form
    762,626.54/1,052,457.60 = 456,752.72/x
  3. Step 3: Cross multiply
    762,626.54x = 1,052,457.60 × 456,752.72
  4. Step 4: Simplify right side
    762,626.54x = 480,712,875,828.64
  5. Step 5: Solve for x
    x = 480,712,875,828.64/762,626.54
  6. Step 6: Final answer
    x = 630,338.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.