Home / 1,186,348.64-1,779,826.28-344,900.40

Finding the Fourth Proportional to 1,186,348.64, 1,779,826.28 and 344,900.40

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Solution

The fourth proportional to 1,186,348.64, 1,779,826.28 and 344,900.40 is: 517,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,348.64 : 1,779,826.28 = 344,900.40 : x
  2. Step 2: Convert to fraction form
    1,186,348.64/1,779,826.28 = 344,900.40/x
  3. Step 3: Cross multiply
    1,186,348.64x = 1,779,826.28 × 344,900.40
  4. Step 4: Simplify right side
    1,186,348.64x = 613,862,795,902.51
  5. Step 5: Solve for x
    x = 613,862,795,902.51/1,186,348.64
  6. Step 6: Final answer
    x = 517,438.78

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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.