Home / 1,190,762.82-1,786,173.39-349,341.30

Finding the Fourth Proportional to 1,190,762.82, 1,786,173.39 and 349,341.30

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Solution

The fourth proportional to 1,190,762.82, 1,786,173.39 and 349,341.30 is: 524,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,762.82 : 1,786,173.39 = 349,341.30 : x
  2. Step 2: Convert to fraction form
    1,190,762.82/1,786,173.39 = 349,341.30/x
  3. Step 3: Cross multiply
    1,190,762.82x = 1,786,173.39 × 349,341.30
  4. Step 4: Simplify right side
    1,190,762.82x = 623,984,134,088.01
  5. Step 5: Solve for x
    x = 623,984,134,088.01/1,190,762.82
  6. Step 6: Final answer
    x = 524,020.50

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Double scale
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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.