Home / 1,214,407.40-1,820,153.10-504,069.80

Finding the Fourth Proportional to 1,214,407.40, 1,820,153.10 and 504,069.80

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Solution

The fourth proportional to 1,214,407.40, 1,820,153.10 and 504,069.80 is: 755,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,407.40 : 1,820,153.10 = 504,069.80 : x
  2. Step 2: Convert to fraction form
    1,214,407.40/1,820,153.10 = 504,069.80/x
  3. Step 3: Cross multiply
    1,214,407.40x = 1,820,153.10 × 504,069.80
  4. Step 4: Simplify right side
    1,214,407.40x = 917,484,209,086.38
  5. Step 5: Solve for x
    x = 917,484,209,086.38/1,214,407.40
  6. Step 6: Final answer
    x = 755,499.52

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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.