Home / 996,881.59-1,375,693.05-561,298.89

Finding the Fourth Proportional to 996,881.59, 1,375,693.05 and 561,298.89

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Solution

The fourth proportional to 996,881.59, 1,375,693.05 and 561,298.89 is: 774,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,881.59 : 1,375,693.05 = 561,298.89 : x
  2. Step 2: Convert to fraction form
    996,881.59/1,375,693.05 = 561,298.89/x
  3. Step 3: Cross multiply
    996,881.59x = 1,375,693.05 × 561,298.89
  4. Step 4: Simplify right side
    996,881.59x = 772,174,984,050.59
  5. Step 5: Solve for x
    x = 772,174,984,050.59/996,881.59
  6. Step 6: Final answer
    x = 774,590.48

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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.