Home / 926,856.07-1,279,025.94-518,919.74

Finding the Fourth Proportional to 926,856.07, 1,279,025.94 and 518,919.74

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Solution

The fourth proportional to 926,856.07, 1,279,025.94 and 518,919.74 is: 716,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,856.07 : 1,279,025.94 = 518,919.74 : x
  2. Step 2: Convert to fraction form
    926,856.07/1,279,025.94 = 518,919.74/x
  3. Step 3: Cross multiply
    926,856.07x = 1,279,025.94 × 518,919.74
  4. Step 4: Simplify right side
    926,856.07x = 663,711,812,182.48
  5. Step 5: Solve for x
    x = 663,711,812,182.48/926,856.07
  6. Step 6: Final answer
    x = 716,089.41

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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.