Home / 1,209,664.60-1,814,715.60-609,114.40

Finding the Fourth Proportional to 1,209,664.60, 1,814,715.60 and 609,114.40

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Solution

The fourth proportional to 1,209,664.60, 1,814,715.60 and 609,114.40 is: 913,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,664.60 : 1,814,715.60 = 609,114.40 : x
  2. Step 2: Convert to fraction form
    1,209,664.60/1,814,715.60 = 609,114.40/x
  3. Step 3: Cross multiply
    1,209,664.60x = 1,814,715.60 × 609,114.40
  4. Step 4: Simplify right side
    1,209,664.60x = 1,105,369,403,864.64
  5. Step 5: Solve for x
    x = 1,105,369,403,864.64/1,209,664.60
  6. Step 6: Final answer
    x = 913,781.72

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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.