Home / 1,187,601.09-1,781,376.72-289,047.84

Finding the Fourth Proportional to 1,187,601.09, 1,781,376.72 and 289,047.84

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Solution

The fourth proportional to 1,187,601.09, 1,781,376.72 and 289,047.84 is: 433,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,601.09 : 1,781,376.72 = 289,047.84 : x
  2. Step 2: Convert to fraction form
    1,187,601.09/1,781,376.72 = 289,047.84/x
  3. Step 3: Cross multiply
    1,187,601.09x = 1,781,376.72 × 289,047.84
  4. Step 4: Simplify right side
    1,187,601.09x = 514,903,097,024.33
  5. Step 5: Solve for x
    x = 514,903,097,024.33/1,187,601.09
  6. Step 6: Final answer
    x = 433,565.70

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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.