Home / 684,705.30-1,024,725.15-684,705.30

Finding the Fourth Proportional to 684,705.30, 1,024,725.15 and 684,705.30

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Solution

The fourth proportional to 684,705.30, 1,024,725.15 and 684,705.30 is: 1,024,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,705.30 : 1,024,725.15 = 684,705.30 : x
  2. Step 2: Convert to fraction form
    684,705.30/1,024,725.15 = 684,705.30/x
  3. Step 3: Cross multiply
    684,705.30x = 1,024,725.15 × 684,705.30
  4. Step 4: Simplify right side
    684,705.30x = 701,634,741,248.30
  5. Step 5: Solve for x
    x = 701,634,741,248.30/684,705.30
  6. Step 6: Final answer
    x = 1,024,725.15

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Double scale
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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.