Home / 862,534.80-1,293,802.20-651,027.60

Finding the Fourth Proportional to 862,534.80, 1,293,802.20 and 651,027.60

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Solution

The fourth proportional to 862,534.80, 1,293,802.20 and 651,027.60 is: 976,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,534.80 : 1,293,802.20 = 651,027.60 : x
  2. Step 2: Convert to fraction form
    862,534.80/1,293,802.20 = 651,027.60/x
  3. Step 3: Cross multiply
    862,534.80x = 1,293,802.20 × 651,027.60
  4. Step 4: Simplify right side
    862,534.80x = 842,300,941,140.72
  5. Step 5: Solve for x
    x = 842,300,941,140.72/862,534.80
  6. Step 6: Final answer
    x = 976,541.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.