Home / 1,210,292.69-1,814,914.15-411,359.72

Finding the Fourth Proportional to 1,210,292.69, 1,814,914.15 and 411,359.72

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Solution

The fourth proportional to 1,210,292.69, 1,814,914.15 and 411,359.72 is: 616,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,292.69 : 1,814,914.15 = 411,359.72 : x
  2. Step 2: Convert to fraction form
    1,210,292.69/1,814,914.15 = 411,359.72/x
  3. Step 3: Cross multiply
    1,210,292.69x = 1,814,914.15 × 411,359.72
  4. Step 4: Simplify right side
    1,210,292.69x = 746,582,566,465.07
  5. Step 5: Solve for x
    x = 746,582,566,465.07/1,210,292.69
  6. Step 6: Final answer
    x = 616,861.17

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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.