Home / 996,738.61-1,377,298.55-709,760.47

Finding the Fourth Proportional to 996,738.61, 1,377,298.55 and 709,760.47

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Solution

The fourth proportional to 996,738.61, 1,377,298.55 and 709,760.47 is: 980,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,738.61 : 1,377,298.55 = 709,760.47 : x
  2. Step 2: Convert to fraction form
    996,738.61/1,377,298.55 = 709,760.47/x
  3. Step 3: Cross multiply
    996,738.61x = 1,377,298.55 × 709,760.47
  4. Step 4: Simplify right side
    996,738.61x = 977,552,066,178.32
  5. Step 5: Solve for x
    x = 977,552,066,178.32/996,738.61
  6. Step 6: Final answer
    x = 980,750.68

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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.