Home / 1,191,663.09-1,787,837.27-433,492.16

Finding the Fourth Proportional to 1,191,663.09, 1,787,837.27 and 433,492.16

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Solution

The fourth proportional to 1,191,663.09, 1,787,837.27 and 433,492.16 is: 650,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,663.09 : 1,787,837.27 = 433,492.16 : x
  2. Step 2: Convert to fraction form
    1,191,663.09/1,787,837.27 = 433,492.16/x
  3. Step 3: Cross multiply
    1,191,663.09x = 1,787,837.27 × 433,492.16
  4. Step 4: Simplify right side
    1,191,663.09x = 775,013,428,794.16
  5. Step 5: Solve for x
    x = 775,013,428,794.16/1,191,663.09
  6. Step 6: Final answer
    x = 650,362.87

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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.