Home / 1,316,400.60-1,974,600.90-1,227,827.10

Finding the Fourth Proportional to 1,316,400.60, 1,974,600.90 and 1,227,827.10

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Solution

The fourth proportional to 1,316,400.60, 1,974,600.90 and 1,227,827.10 is: 1,841,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,400.60 : 1,974,600.90 = 1,227,827.10 : x
  2. Step 2: Convert to fraction form
    1,316,400.60/1,974,600.90 = 1,227,827.10/x
  3. Step 3: Cross multiply
    1,316,400.60x = 1,974,600.90 × 1,227,827.10
  4. Step 4: Simplify right side
    1,316,400.60x = 2,424,468,496,704.39
  5. Step 5: Solve for x
    x = 2,424,468,496,704.39/1,316,400.60
  6. Step 6: Final answer
    x = 1,841,740.65

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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.