Home / 818,635.83-1,129,714.61-456,038.25

Finding the Fourth Proportional to 818,635.83, 1,129,714.61 and 456,038.25

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Solution

The fourth proportional to 818,635.83, 1,129,714.61 and 456,038.25 is: 629,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,635.83 : 1,129,714.61 = 456,038.25 : x
  2. Step 2: Convert to fraction form
    818,635.83/1,129,714.61 = 456,038.25/x
  3. Step 3: Cross multiply
    818,635.83x = 1,129,714.61 × 456,038.25
  4. Step 4: Simplify right side
    818,635.83x = 515,193,071,463.64
  5. Step 5: Solve for x
    x = 515,193,071,463.64/818,635.83
  6. Step 6: Final answer
    x = 629,331.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.