Home / 1,185,515.19-1,778,274-554,871.87

Finding the Fourth Proportional to 1,185,515.19, 1,778,274 and 554,871.87

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Solution

The fourth proportional to 1,185,515.19, 1,778,274 and 554,871.87 is: 832,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,515.19 : 1,778,274 = 554,871.87 : x
  2. Step 2: Convert to fraction form
    1,185,515.19/1,778,274 = 554,871.87/x
  3. Step 3: Cross multiply
    1,185,515.19x = 1,778,274 × 554,871.87
  4. Step 4: Simplify right side
    1,185,515.19x = 986,714,219,752.38
  5. Step 5: Solve for x
    x = 986,714,219,752.38/1,185,515.19
  6. Step 6: Final answer
    x = 832,308.37

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Double scale
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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.