Home / 949,122.59-1,309,784.07-519,401.70

Finding the Fourth Proportional to 949,122.59, 1,309,784.07 and 519,401.70

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Solution

The fourth proportional to 949,122.59, 1,309,784.07 and 519,401.70 is: 716,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,122.59 : 1,309,784.07 = 519,401.70 : x
  2. Step 2: Convert to fraction form
    949,122.59/1,309,784.07 = 519,401.70/x
  3. Step 3: Cross multiply
    949,122.59x = 1,309,784.07 × 519,401.70
  4. Step 4: Simplify right side
    949,122.59x = 680,304,072,590.92
  5. Step 5: Solve for x
    x = 680,304,072,590.92/949,122.59
  6. Step 6: Final answer
    x = 716,771.55

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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.