Home / 957,188.06-1,320,902.50-521,609.20

Finding the Fourth Proportional to 957,188.06, 1,320,902.50 and 521,609.20

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Solution

The fourth proportional to 957,188.06, 1,320,902.50 and 521,609.20 is: 719,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,188.06 : 1,320,902.50 = 521,609.20 : x
  2. Step 2: Convert to fraction form
    957,188.06/1,320,902.50 = 521,609.20/x
  3. Step 3: Cross multiply
    957,188.06x = 1,320,902.50 × 521,609.20
  4. Step 4: Simplify right side
    957,188.06x = 688,994,896,303
  5. Step 5: Solve for x
    x = 688,994,896,303/957,188.06
  6. Step 6: Final answer
    x = 719,811.42

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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.