Home / 968,601.81-1,336,670.31-538,881.84

Finding the Fourth Proportional to 968,601.81, 1,336,670.31 and 538,881.84

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Solution

The fourth proportional to 968,601.81, 1,336,670.31 and 538,881.84 is: 743,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,601.81 : 1,336,670.31 = 538,881.84 : x
  2. Step 2: Convert to fraction form
    968,601.81/1,336,670.31 = 538,881.84/x
  3. Step 3: Cross multiply
    968,601.81x = 1,336,670.31 × 538,881.84
  4. Step 4: Simplify right side
    968,601.81x = 720,307,356,126.17
  5. Step 5: Solve for x
    x = 720,307,356,126.17/968,601.81
  6. Step 6: Final answer
    x = 743,656.83

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1.5x scale

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.