Home / 1,316,447.29-1,816,697.28-712,835.29

Finding the Fourth Proportional to 1,316,447.29, 1,816,697.28 and 712,835.29

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Solution

The fourth proportional to 1,316,447.29, 1,816,697.28 and 712,835.29 is: 983,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,447.29 : 1,816,697.28 = 712,835.29 : x
  2. Step 2: Convert to fraction form
    1,316,447.29/1,816,697.28 = 712,835.29/x
  3. Step 3: Cross multiply
    1,316,447.29x = 1,816,697.28 × 712,835.29
  4. Step 4: Simplify right side
    1,316,447.29x = 1,295,005,932,431.01
  5. Step 5: Solve for x
    x = 1,295,005,932,431.01/1,316,447.29
  6. Step 6: Final answer
    x = 983,712.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.