Home / 1,289,602.60-1,933,712.70-540,802.60

Finding the Fourth Proportional to 1,289,602.60, 1,933,712.70 and 540,802.60

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Solution

The fourth proportional to 1,289,602.60, 1,933,712.70 and 540,802.60 is: 810,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,602.60 : 1,933,712.70 = 540,802.60 : x
  2. Step 2: Convert to fraction form
    1,289,602.60/1,933,712.70 = 540,802.60/x
  3. Step 3: Cross multiply
    1,289,602.60x = 1,933,712.70 × 540,802.60
  4. Step 4: Simplify right side
    1,289,602.60x = 1,045,756,855,813.02
  5. Step 5: Solve for x
    x = 1,045,756,855,813.02/1,289,602.60
  6. Step 6: Final answer
    x = 810,914.04

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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.