Home / 1,113,378.07-1,669,956.33-514,330.66

Finding the Fourth Proportional to 1,113,378.07, 1,669,956.33 and 514,330.66

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Solution

The fourth proportional to 1,113,378.07, 1,669,956.33 and 514,330.66 is: 771,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,378.07 : 1,669,956.33 = 514,330.66 : x
  2. Step 2: Convert to fraction form
    1,113,378.07/1,669,956.33 = 514,330.66/x
  3. Step 3: Cross multiply
    1,113,378.07x = 1,669,956.33 × 514,330.66
  4. Step 4: Simplify right side
    1,113,378.07x = 858,909,741,380.08
  5. Step 5: Solve for x
    x = 858,909,741,380.08/1,113,378.07
  6. Step 6: Final answer
    x = 771,444.82

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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.