Home / 1,022,899.55-1,534,293.85-312,927.65

Finding the Fourth Proportional to 1,022,899.55, 1,534,293.85 and 312,927.65

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Solution

The fourth proportional to 1,022,899.55, 1,534,293.85 and 312,927.65 is: 469,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,899.55 : 1,534,293.85 = 312,927.65 : x
  2. Step 2: Convert to fraction form
    1,022,899.55/1,534,293.85 = 312,927.65/x
  3. Step 3: Cross multiply
    1,022,899.55x = 1,534,293.85 × 312,927.65
  4. Step 4: Simplify right side
    1,022,899.55x = 480,122,968,889.95
  5. Step 5: Solve for x
    x = 480,122,968,889.95/1,022,899.55
  6. Step 6: Final answer
    x = 469,374.50

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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.