Home / 836,201.60-1,254,302.40-688,579.10

Finding the Fourth Proportional to 836,201.60, 1,254,302.40 and 688,579.10

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Solution

The fourth proportional to 836,201.60, 1,254,302.40 and 688,579.10 is: 1,032,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,201.60 : 1,254,302.40 = 688,579.10 : x
  2. Step 2: Convert to fraction form
    836,201.60/1,254,302.40 = 688,579.10/x
  3. Step 3: Cross multiply
    836,201.60x = 1,254,302.40 × 688,579.10
  4. Step 4: Simplify right side
    836,201.60x = 863,686,417,719.84
  5. Step 5: Solve for x
    x = 863,686,417,719.84/836,201.60
  6. Step 6: Final answer
    x = 1,032,868.65

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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.