Home / 926,012.39-1,277,836.98-518,043.74

Finding the Fourth Proportional to 926,012.39, 1,277,836.98 and 518,043.74

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Solution

The fourth proportional to 926,012.39, 1,277,836.98 and 518,043.74 is: 714,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,012.39 : 1,277,836.98 = 518,043.74 : x
  2. Step 2: Convert to fraction form
    926,012.39/1,277,836.98 = 518,043.74/x
  3. Step 3: Cross multiply
    926,012.39x = 1,277,836.98 × 518,043.74
  4. Step 4: Simplify right side
    926,012.39x = 661,975,448,229.51
  5. Step 5: Solve for x
    x = 661,975,448,229.51/926,012.39
  6. Step 6: Final answer
    x = 714,866.73

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Double scale
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1.5x scale

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.