Home / 1,208,917.64-1,668,320.20-692,661.19

Finding the Fourth Proportional to 1,208,917.64, 1,668,320.20 and 692,661.19

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Solution

The fourth proportional to 1,208,917.64, 1,668,320.20 and 692,661.19 is: 955,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,917.64 : 1,668,320.20 = 692,661.19 : x
  2. Step 2: Convert to fraction form
    1,208,917.64/1,668,320.20 = 692,661.19/x
  3. Step 3: Cross multiply
    1,208,917.64x = 1,668,320.20 × 692,661.19
  4. Step 4: Simplify right side
    1,208,917.64x = 1,155,580,655,740.53
  5. Step 5: Solve for x
    x = 1,155,580,655,740.53/1,208,917.64
  6. Step 6: Final answer
    x = 955,880.38

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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.