Home / 1,209,631.60-1,814,666.10-609,081.40

Finding the Fourth Proportional to 1,209,631.60, 1,814,666.10 and 609,081.40

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Solution

The fourth proportional to 1,209,631.60, 1,814,666.10 and 609,081.40 is: 913,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,631.60 : 1,814,666.10 = 609,081.40 : x
  2. Step 2: Convert to fraction form
    1,209,631.60/1,814,666.10 = 609,081.40/x
  3. Step 3: Cross multiply
    1,209,631.60x = 1,814,666.10 × 609,081.40
  4. Step 4: Simplify right side
    1,209,631.60x = 1,105,279,368,720.54
  5. Step 5: Solve for x
    x = 1,105,279,368,720.54/1,209,631.60
  6. Step 6: Final answer
    x = 913,732.22

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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.