Home / 1,022,458.76-1,533,688.14-312,488.84

Finding the Fourth Proportional to 1,022,458.76, 1,533,688.14 and 312,488.84

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Solution

The fourth proportional to 1,022,458.76, 1,533,688.14 and 312,488.84 is: 468,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,458.76 : 1,533,688.14 = 312,488.84 : x
  2. Step 2: Convert to fraction form
    1,022,458.76/1,533,688.14 = 312,488.84/x
  3. Step 3: Cross multiply
    1,022,458.76x = 1,533,688.14 × 312,488.84
  4. Step 4: Simplify right side
    1,022,458.76x = 479,260,427,790.36
  5. Step 5: Solve for x
    x = 479,260,427,790.36/1,022,458.76
  6. Step 6: Final answer
    x = 468,733.26

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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.