Home / 977,407.68-1,348,820.82-595,434.45

Finding the Fourth Proportional to 977,407.68, 1,348,820.82 and 595,434.45

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Solution

The fourth proportional to 977,407.68, 1,348,820.82 and 595,434.45 is: 821,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,407.68 : 1,348,820.82 = 595,434.45 : x
  2. Step 2: Convert to fraction form
    977,407.68/1,348,820.82 = 595,434.45/x
  3. Step 3: Cross multiply
    977,407.68x = 1,348,820.82 × 595,434.45
  4. Step 4: Simplify right side
    977,407.68x = 803,134,383,105.25
  5. Step 5: Solve for x
    x = 803,134,383,105.25/977,407.68
  6. Step 6: Final answer
    x = 821,698.46

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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.