Home / 1,186,494.88-1,779,727.32-287,944

Finding the Fourth Proportional to 1,186,494.88, 1,779,727.32 and 287,944

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Solution

The fourth proportional to 1,186,494.88, 1,779,727.32 and 287,944 is: 431,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,494.88 : 1,779,727.32 = 287,944 : x
  2. Step 2: Convert to fraction form
    1,186,494.88/1,779,727.32 = 287,944/x
  3. Step 3: Cross multiply
    1,186,494.88x = 1,779,727.32 × 287,944
  4. Step 4: Simplify right side
    1,186,494.88x = 512,461,803,430.08
  5. Step 5: Solve for x
    x = 512,461,803,430.08/1,186,494.88
  6. Step 6: Final answer
    x = 431,912.36

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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.