Home / 1,186,060.05-1,779,199.29-387,345.78

Finding the Fourth Proportional to 1,186,060.05, 1,779,199.29 and 387,345.78

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Solution

The fourth proportional to 1,186,060.05, 1,779,199.29 and 387,345.78 is: 581,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,060.05 : 1,779,199.29 = 387,345.78 : x
  2. Step 2: Convert to fraction form
    1,186,060.05/1,779,199.29 = 387,345.78/x
  3. Step 3: Cross multiply
    1,186,060.05x = 1,779,199.29 × 387,345.78
  4. Step 4: Simplify right side
    1,186,060.05x = 689,165,336,760.50
  5. Step 5: Solve for x
    x = 689,165,336,760.50/1,186,060.05
  6. Step 6: Final answer
    x = 581,054.34

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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.