Home / 949,109.02-1,309,770.46-519,389.16

Finding the Fourth Proportional to 949,109.02, 1,309,770.46 and 519,389.16

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Solution

The fourth proportional to 949,109.02, 1,309,770.46 and 519,389.16 is: 716,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,109.02 : 1,309,770.46 = 519,389.16 : x
  2. Step 2: Convert to fraction form
    949,109.02/1,309,770.46 = 519,389.16/x
  3. Step 3: Cross multiply
    949,109.02x = 1,309,770.46 × 519,389.16
  4. Step 4: Simplify right side
    949,109.02x = 680,280,579,012.21
  5. Step 5: Solve for x
    x = 680,280,579,012.21/949,109.02
  6. Step 6: Final answer
    x = 716,757.05

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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.