Home / 1,696,259.07-2,340,855.60-921,889.91

Finding the Fourth Proportional to 1,696,259.07, 2,340,855.60 and 921,889.91

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Solution

The fourth proportional to 1,696,259.07, 2,340,855.60 and 921,889.91 is: 1,272,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,259.07 : 2,340,855.60 = 921,889.91 : x
  2. Step 2: Convert to fraction form
    1,696,259.07/2,340,855.60 = 921,889.91/x
  3. Step 3: Cross multiply
    1,696,259.07x = 2,340,855.60 × 921,889.91
  4. Step 4: Simplify right side
    1,696,259.07x = 2,158,011,152,820.37
  5. Step 5: Solve for x
    x = 2,158,011,152,820.37/1,696,259.07
  6. Step 6: Final answer
    x = 1,272,217.90

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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.