Home / 927,116.17-1,279,359.40-519,124.48

Finding the Fourth Proportional to 927,116.17, 1,279,359.40 and 519,124.48

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Solution

The fourth proportional to 927,116.17, 1,279,359.40 and 519,124.48 is: 716,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,116.17 : 1,279,359.40 = 519,124.48 : x
  2. Step 2: Convert to fraction form
    927,116.17/1,279,359.40 = 519,124.48/x
  3. Step 3: Cross multiply
    927,116.17x = 1,279,359.40 × 519,124.48
  4. Step 4: Simplify right side
    927,116.17x = 664,146,783,258.11
  5. Step 5: Solve for x
    x = 664,146,783,258.11/927,116.17
  6. Step 6: Final answer
    x = 716,357.67

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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.