Home / 1,131,254.71-1,561,162.31-615,043.36

Finding the Fourth Proportional to 1,131,254.71, 1,561,162.31 and 615,043.36

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Solution

The fourth proportional to 1,131,254.71, 1,561,162.31 and 615,043.36 is: 848,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,254.71 : 1,561,162.31 = 615,043.36 : x
  2. Step 2: Convert to fraction form
    1,131,254.71/1,561,162.31 = 615,043.36/x
  3. Step 3: Cross multiply
    1,131,254.71x = 1,561,162.31 × 615,043.36
  4. Step 4: Simplify right side
    1,131,254.71x = 960,182,513,830.41
  5. Step 5: Solve for x
    x = 960,182,513,830.41/1,131,254.71
  6. Step 6: Final answer
    x = 848,776.59

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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.