Home / 708,015.30-1,062,022.95-456,072.90

Finding the Fourth Proportional to 708,015.30, 1,062,022.95 and 456,072.90

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Solution

The fourth proportional to 708,015.30, 1,062,022.95 and 456,072.90 is: 684,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,015.30 : 1,062,022.95 = 456,072.90 : x
  2. Step 2: Convert to fraction form
    708,015.30/1,062,022.95 = 456,072.90/x
  3. Step 3: Cross multiply
    708,015.30x = 1,062,022.95 × 456,072.90
  4. Step 4: Simplify right side
    708,015.30x = 484,359,886,673.06
  5. Step 5: Solve for x
    x = 484,359,886,673.06/708,015.30
  6. Step 6: Final answer
    x = 684,109.35

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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.