Home / 949,078.73-1,309,728.52-519,358.74

Finding the Fourth Proportional to 949,078.73, 1,309,728.52 and 519,358.74

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Solution

The fourth proportional to 949,078.73, 1,309,728.52 and 519,358.74 is: 716,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,078.73 : 1,309,728.52 = 519,358.74 : x
  2. Step 2: Convert to fraction form
    949,078.73/1,309,728.52 = 519,358.74/x
  3. Step 3: Cross multiply
    949,078.73x = 1,309,728.52 × 519,358.74
  4. Step 4: Simplify right side
    949,078.73x = 680,218,954,538.46
  5. Step 5: Solve for x
    x = 680,218,954,538.46/949,078.73
  6. Step 6: Final answer
    x = 716,715.00

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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.