Home / 926,541.09-1,278,567.45-518,574.33

Finding the Fourth Proportional to 926,541.09, 1,278,567.45 and 518,574.33

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Solution

The fourth proportional to 926,541.09, 1,278,567.45 and 518,574.33 is: 715,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,541.09 : 1,278,567.45 = 518,574.33 : x
  2. Step 2: Convert to fraction form
    926,541.09/1,278,567.45 = 518,574.33/x
  3. Step 3: Cross multiply
    926,541.09x = 1,278,567.45 × 518,574.33
  4. Step 4: Simplify right side
    926,541.09x = 663,032,258,743.56
  5. Step 5: Solve for x
    x = 663,032,258,743.56/926,541.09
  6. Step 6: Final answer
    x = 715,599.41

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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.