Home / 949,048.14-1,309,686.39-519,328.30

Finding the Fourth Proportional to 949,048.14, 1,309,686.39 and 519,328.30

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Solution

The fourth proportional to 949,048.14, 1,309,686.39 and 519,328.30 is: 716,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,048.14 : 1,309,686.39 = 519,328.30 : x
  2. Step 2: Convert to fraction form
    949,048.14/1,309,686.39 = 519,328.30/x
  3. Step 3: Cross multiply
    949,048.14x = 1,309,686.39 × 519,328.30
  4. Step 4: Simplify right side
    949,048.14x = 680,157,206,451.84
  5. Step 5: Solve for x
    x = 680,157,206,451.84/949,048.14
  6. Step 6: Final answer
    x = 716,673.03

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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.