Home / 1,590,855.59-2,195,426.51-865,749.26

Finding the Fourth Proportional to 1,590,855.59, 2,195,426.51 and 865,749.26

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Solution

The fourth proportional to 1,590,855.59, 2,195,426.51 and 865,749.26 is: 1,194,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,855.59 : 2,195,426.51 = 865,749.26 : x
  2. Step 2: Convert to fraction form
    1,590,855.59/2,195,426.51 = 865,749.26/x
  3. Step 3: Cross multiply
    1,590,855.59x = 2,195,426.51 × 865,749.26
  4. Step 4: Simplify right side
    1,590,855.59x = 1,900,688,861,111.00
  5. Step 5: Solve for x
    x = 1,900,688,861,111.00/1,590,855.59
  6. Step 6: Final answer
    x = 1,194,758.90

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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.