Home / 614,943.60-922,415.40-531,999.60

Finding the Fourth Proportional to 614,943.60, 922,415.40 and 531,999.60

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Solution

The fourth proportional to 614,943.60, 922,415.40 and 531,999.60 is: 797,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,943.60 : 922,415.40 = 531,999.60 : x
  2. Step 2: Convert to fraction form
    614,943.60/922,415.40 = 531,999.60/x
  3. Step 3: Cross multiply
    614,943.60x = 922,415.40 × 531,999.60
  4. Step 4: Simplify right side
    614,943.60x = 490,724,623,833.84
  5. Step 5: Solve for x
    x = 490,724,623,833.84/614,943.60
  6. Step 6: Final answer
    x = 797,999.40

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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.