Home / 1,294,590.28-1,785,802.98-810,314.68

Finding the Fourth Proportional to 1,294,590.28, 1,785,802.98 and 810,314.68

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Solution

The fourth proportional to 1,294,590.28, 1,785,802.98 and 810,314.68 is: 1,117,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,590.28 : 1,785,802.98 = 810,314.68 : x
  2. Step 2: Convert to fraction form
    1,294,590.28/1,785,802.98 = 810,314.68/x
  3. Step 3: Cross multiply
    1,294,590.28x = 1,785,802.98 × 810,314.68
  4. Step 4: Simplify right side
    1,294,590.28x = 1,447,062,370,281.75
  5. Step 5: Solve for x
    x = 1,447,062,370,281.75/1,294,590.28
  6. Step 6: Final answer
    x = 1,117,776.33

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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.