Home / 826,888.80-1,141,036.56-464,284.20

Finding the Fourth Proportional to 826,888.80, 1,141,036.56 and 464,284.20

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Solution

The fourth proportional to 826,888.80, 1,141,036.56 and 464,284.20 is: 640,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,888.80 : 1,141,036.56 = 464,284.20 : x
  2. Step 2: Convert to fraction form
    826,888.80/1,141,036.56 = 464,284.20/x
  3. Step 3: Cross multiply
    826,888.80x = 1,141,036.56 × 464,284.20
  4. Step 4: Simplify right side
    826,888.80x = 529,765,246,430.35
  5. Step 5: Solve for x
    x = 529,765,246,430.35/826,888.80
  6. Step 6: Final answer
    x = 640,672.90

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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.