Home / 1,172,327.50-1,617,811.95-663,018.94

Finding the Fourth Proportional to 1,172,327.50, 1,617,811.95 and 663,018.94

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Solution

The fourth proportional to 1,172,327.50, 1,617,811.95 and 663,018.94 is: 914,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,327.50 : 1,617,811.95 = 663,018.94 : x
  2. Step 2: Convert to fraction form
    1,172,327.50/1,617,811.95 = 663,018.94/x
  3. Step 3: Cross multiply
    1,172,327.50x = 1,617,811.95 × 663,018.94
  4. Step 4: Simplify right side
    1,172,327.50x = 1,072,639,964,208.33
  5. Step 5: Solve for x
    x = 1,072,639,964,208.33/1,172,327.50
  6. Step 6: Final answer
    x = 914,966.14

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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.