Home / 1,209,308.60-1,812,213.30-534,837.80

Finding the Fourth Proportional to 1,209,308.60, 1,812,213.30 and 534,837.80

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Solution

The fourth proportional to 1,209,308.60, 1,812,213.30 and 534,837.80 is: 801,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,308.60 : 1,812,213.30 = 534,837.80 : x
  2. Step 2: Convert to fraction form
    1,209,308.60/1,812,213.30 = 534,837.80/x
  3. Step 3: Cross multiply
    1,209,308.60x = 1,812,213.30 × 534,837.80
  4. Step 4: Simplify right side
    1,209,308.60x = 969,240,174,502.74
  5. Step 5: Solve for x
    x = 969,240,174,502.74/1,209,308.60
  6. Step 6: Final answer
    x = 801,482.91

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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.