Home / 1,207,966.07-1,666,950.68-664,097.91

Finding the Fourth Proportional to 1,207,966.07, 1,666,950.68 and 664,097.91

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Solution

The fourth proportional to 1,207,966.07, 1,666,950.68 and 664,097.91 is: 916,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,966.07 : 1,666,950.68 = 664,097.91 : x
  2. Step 2: Convert to fraction form
    1,207,966.07/1,666,950.68 = 664,097.91/x
  3. Step 3: Cross multiply
    1,207,966.07x = 1,666,950.68 × 664,097.91
  4. Step 4: Simplify right side
    1,207,966.07x = 1,107,018,459,340.59
  5. Step 5: Solve for x
    x = 1,107,018,459,340.59/1,207,966.07
  6. Step 6: Final answer
    x = 916,431.75

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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.