Home / 862,386.48-1,190,235.06-480,536.28

Finding the Fourth Proportional to 862,386.48, 1,190,235.06 and 480,536.28

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Solution

The fourth proportional to 862,386.48, 1,190,235.06 and 480,536.28 is: 663,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,386.48 : 1,190,235.06 = 480,536.28 : x
  2. Step 2: Convert to fraction form
    862,386.48/1,190,235.06 = 480,536.28/x
  3. Step 3: Cross multiply
    862,386.48x = 1,190,235.06 × 480,536.28
  4. Step 4: Simplify right side
    862,386.48x = 571,951,128,057.98
  5. Step 5: Solve for x
    x = 571,951,128,057.98/862,386.48
  6. Step 6: Final answer
    x = 663,219.03

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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.