Home / 724,816.65-1,087,224.98-619,840.65

Finding the Fourth Proportional to 724,816.65, 1,087,224.98 and 619,840.65

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Solution

The fourth proportional to 724,816.65, 1,087,224.98 and 619,840.65 is: 929,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,816.65 : 1,087,224.98 = 619,840.65 : x
  2. Step 2: Convert to fraction form
    724,816.65/1,087,224.98 = 619,840.65/x
  3. Step 3: Cross multiply
    724,816.65x = 1,087,224.98 × 619,840.65
  4. Step 4: Simplify right side
    724,816.65x = 673,906,235,200.23
  5. Step 5: Solve for x
    x = 673,906,235,200.23/724,816.65
  6. Step 6: Final answer
    x = 929,760.98

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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.