Home / 745,796.08-1,029,200.34-406,257.04

Finding the Fourth Proportional to 745,796.08, 1,029,200.34 and 406,257.04

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Solution

The fourth proportional to 745,796.08, 1,029,200.34 and 406,257.04 is: 560,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,796.08 : 1,029,200.34 = 406,257.04 : x
  2. Step 2: Convert to fraction form
    745,796.08/1,029,200.34 = 406,257.04/x
  3. Step 3: Cross multiply
    745,796.08x = 1,029,200.34 × 406,257.04
  4. Step 4: Simplify right side
    745,796.08x = 418,119,883,695.39
  5. Step 5: Solve for x
    x = 418,119,883,695.39/745,796.08
  6. Step 6: Final answer
    x = 560,635.67

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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.