Home / 1,088,509.60-1,632,181.20-456,709.60

Finding the Fourth Proportional to 1,088,509.60, 1,632,181.20 and 456,709.60

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Solution

The fourth proportional to 1,088,509.60, 1,632,181.20 and 456,709.60 is: 684,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,509.60 : 1,632,181.20 = 456,709.60 : x
  2. Step 2: Convert to fraction form
    1,088,509.60/1,632,181.20 = 456,709.60/x
  3. Step 3: Cross multiply
    1,088,509.60x = 1,632,181.20 × 456,709.60
  4. Step 4: Simplify right side
    1,088,509.60x = 745,432,822,979.52
  5. Step 5: Solve for x
    x = 745,432,822,979.52/1,088,509.60
  6. Step 6: Final answer
    x = 684,819.70

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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.